The contraindication to eating cowpea is that it is forbidden for people who are allergic to cowpea, and other people can eat it in moderation. Cowpea is a nutritious vegetable, which contains protein 1.7g/100g, carbohydrates 2.1g/100g, and carotene, vitamin C, calcium, potassium, sodium and other nutrients, which can replenish the body with some of the nutrients the body needs, to a certain extent, to maintain the normal physiological function of the body. However, people who are allergic to cowpea are prohibited from consuming it to avoid allergic reactions such as rashes and diarrhea. When consuming cowpea, it is not recommended to consume too much at once, so as not to cause gastrointestinal discomfort, bloating and other indigestion symptoms. Therefore, it is necessary to consume cowpea in moderation. Cowhide vegetables can also be consumed with other foods, so as to ensure dietary diversity and avoid a single nutritional intake.