Plum Dragon Herbs

Yi Yi Ren (Coix Seed)


Yi Yi Ren (Coix Seed), often known as Jobs Tears, is a seed which aids in strengthening the Spleen to dry dampness. It is classified as a neutral herb and is commonly used to clear heat, resolve dampness, and tonify the spleen. Through this action, it can work to dispel Bi Syndrome and mildly relieve pain while clearing heat through its cooling nature. The seed of the plant is used for medicinal purposes and is believed to have the following properties and characteristics:

  • Clears heat: May help to clear heat and reduce symptoms of fever, heat exhaustion, and skin irritations.

  • Resolves dampness: May help to resolve dampness and alleviate symptoms of edema, joint pain, and fatigue.

  • Tonifies the spleen: May help to strengthen the spleen and improve digestive function.

In TCM, Yi Yi Ren is commonly combined with other herbs to enhance its effectiveness and treat a variety of health conditions, such as digestive issues, respiratory infections, and skin irritations. It is typically administered in the form of decoction, powder, or pill. It is considered safe for most individuals, but it is advisable to consult a licensed healthcare provider before using this herb, especially if you are pregnant, breastfeeding, or have a medical condition.

High Quality Yi Yi Ren: What does it look like?

Our high-quality Yi Yi Ren seeds are carefully sourced from the finest Coix plants, ensuring the highest potency and purity. The seeds are commonly found in the husks of the Coix plant and are approximately 7-10mm in diameter. These creamy white seeds have a smooth and shiny surface, and are hand-selected to ensure only the best quality is used in your traditional Chinese medicine formulations. With our strict quality control measures, you can trust that our Yi Yi Ren will provide the maximum benefits for your health and wellness."

How is Yi Yi Ren prepared and processed?

Yi Yi Ren, also known as Job's tears, is native to tropical and subtropical regions of Asia, including China, Thailand, and Indonesia. It is also found in other parts of the world, such as Africa and South America. In its native habitat, it grows as an annual or perennial herb, and is commonly found in fields, roadsides, and waste places.

Yi Yi Ren(Coix Seed) is a tropical and subtropical plant that thrives in warm, moist conditions. To grow this plant optimally, the following conditions should be met: temperature between 20-30°C (68-86°F), well-draining fertile soil rich in organic matter, consistent moisture, full sun to partial shade, and a balanced fertilizer with nitrogen, phosphorus, and potassium.

By providing these optimal growing conditions, Yi Yi Ren can thrive and produce the healthful seeds that are used in traditional Chinese medicine and other applications. However, it is important to note that cultivation and harvesting of medicinal herbs can have an impact on the local ecosystem, and it is recommended to choose sustainably grown and sourced Yi Yi Ren.

To prepare Yi Yi Ren for use in TCM, the seeds are first harvested when they are mature, usually late summer to early autumn.  Next, they are thoroughly cleaned to remove any debris or impurities and dried in the sun or using low heat.  After drying, the Yi Yi Ren are stored in airtight containers to maintain their freshness and potency. 

These steps are important to ensure that the Yi Yi Ren is of the highest quality and potency for use in traditional Chinese medicine. The dried seeds can be used on their own or in combination with other herbs to make medicinal decoctions, powders, or pills. The traditional uses of Yi Yi Ren in TCM include treating digestive problems, reducing swelling and inflammation, and improving circulation. It is important to consult a licensed practitioner of traditional Chinese medicine before using Yi Yi Ren or any other herbal remedies.

Popular Recipe for Yi Yi Ren

Here is a recipe that uses Yi Yi Ren (Coix lacryma-jobi):

Yi Yi Ren Soup:


  • 1/2 cup of Yi Yi Ren seeds
  • 6 cups of water
  • Optional ingredients: sliced ginger, diced onion, chopped carrots, salt


  1. Rinse and soak the Yi Yi Ren seeds in water for 30 minutes.
  2. Drain the seeds and add them to a pot with 6 cups of water.
  3. Bring the water to a boil, then reduce the heat and simmer for 30-45 minutes, until the seeds are soft.
  4. If desired, add sliced ginger, diced onion, chopped carrots, or salt to taste.
  5. Strain the soup and serve.

Note: It is important to consult with a qualified healthcare professional before using Yi Yi Ren, as it may interact with certain medications or have contraindications for certain health conditions.

Safety Precautions for the use of Yi Yi Ren

  1. Consult with a qualified healthcare professional before using Yi Yi Ren, as it may interact with certain medications or have contraindications for certain health conditions.

  2. Do not use Yi Yi Ren in large doses, as it may cause adverse reactions such as gastrointestinal discomfort, skin irritation, and allergic reactions.

  3. Avoid using Yi Yi Ren during pregnancy or breastfeeding.

  4. Keep Yi Yi Ren out of reach of children and pets.

  5. Store Yi Yi Ren in a cool, dry place, away from direct sunlight and moisture.

  6. If you experience any adverse reactions after using Yi Yi Ren, discontinue use and consult with a healthcare professional.

  7. It should be used with caution if you have a history of allergies or skin sensitivities, as it may cause skin irritation.

  8. It should also be used with caution if you have a history of gastrointestinal conditions, as it may cause gastrointestinal discomfort.

It’s important to note that this is a general guideline and it’s always best to consult with a healthcare professional or herbalist to determine the right dosage and usage for you.

Additional Information about Yi Yi Ren

Common Names: Yi Yi Ren (Coix Seed, Jobs Tear); Coix Lacryma-jobi; Semen Coicis 

Properties: Sweet or no taste, slightly cold

Channels Entered: Spleen, Stomach, Lung

Customer Reviews

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Easy on the Stomach

This is the best pearl barley for porridge.

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