1, white cowpea: is the seeds of annual twining herbaceous plants of the family of legume, its efficacy and function: to promote the production of fluids to quench thirst, to stop ejaculation, to strengthen the spleen, and to tonify the kidneys.

2, red cowpea: mainly used to promote intestinal digestion, provide the body with nutrients and increase body resistance, is a more excellent food, for growth and development also has a great effect.

3, cowpea root: degree body to strengthen the spleen and qi, eliminating food treatment of food accumulation, spleen and stomach weakness, gonorrhea, hemorrhoids, boils.

4, black cowpea: taste sweet, nature flat, into the spleen, stomach meridian. Each 100 grams of black cowpea contains 90. 7 grams of water, protein 2. 4 grams, 0. 2 grams of fat, 4. 7 grams of sugar, 1. 4 grams of crude fiber, 0. 6 grams of ash, 53 milligrams of calcium, 63 milligrams of phosphorus, 1. 0 milligrams of iron, carotene. 89 mg, vitamin B10. 09 mg, vitamin B20. 08 mg, niacin 1. 0 mg, vitamin C 19 mg, caloric energy 125 kJ.