1, promote gastrointestinal peristalsis, maintain normal secretion of the digestive glands and the function of gastrointestinal peristalsis, inhibit cholinesterase activity, can help digestion, enhance appetite.

2, improve the body's immunity, cowpea contains vitamin C can promote the synthesis of antibodies, improve the body's anti-virus effect.

3, strengthening the spleen and tonifying the kidney, the weakened function of the kidneys will cause metabolic disorders, protein metabolic wastes and urea, uric acid and so on are not discharged from the body, causing uremia and other diseases. The comprehensive effect of various nutrients of cowpea has the function of strengthening the spleen and tonifying the kidneys, and the effect of protecting the kidneys can be achieved by eating it frequently.

4, prevention and treatment of diabetes, diabetes has become a common disease among middle-aged and old people, mainly due to insufficient or dysregulated insulin secretion, which can not lower blood sugar and lead to diabetes, thus there are cases of polyuria and thirst. Cowpea is effective in treating diabetes, thirst and excessive urination.