Cowslip, if eaten in excess, will bring gastrointestinal discomfort, calcium deficiency, toxicity and other bad things to the organism, the benefits of cowslip is to supplement nutrition, promote gastrointestinal motility. Excessive consumption of cowpea may lead to gastrointestinal discomfort symptoms, manifested as abdominal pain, diarrhea and other discomfort symptoms. In addition, cowpea contains a large amount of oxalic acid, which tends to affect the body’s absorption and utilization of calcium, if consumed in excess, may lead to the occurrence of calcium deficiency. In the process of cooking and placing, cowhide vegetables will also produce nitrite, if used in large quantities over a long period of time, it will lead to the long-term accumulation of nitrite, which may cause food poisoning. Cowhide vegetables contain crude protein, fiber, vitamin C, calcium, potassium, phosphorus and other nutrients, moderate intake is conducive to replenish the body with relevant nutrients, the human body has certain benefits. As the cowhide vegetable contains dietary fiber, can also promote intestinal peristalsis.