Sweet potato leaves are leaves grown on the stems of sweet potatoes, due to its rich dietary fiber and a variety of trace elements, moderate consumption is beneficial to health. But sweet potato leaves high dietary fiber content, rich in potassium, long-term consumption may cause the human body some uncomfortable symptoms, such as abdominal pain, loss of appetite, etc. 1, abdominal pain: sweet potato leaves are high fiber food, long-term consumption of sweet potato leaves, easy to gastrointestinal burden, resulting in the gastrointestinal tract mucosal stimulation to strengthen, easy to cause gastrointestinal tract spasm, abdominal pain, bloating and other adverse symptoms. If the patient itself has diarrhea symptoms, it is not recommended to eat sweet potato leaves, sweet potato leaves crude fiber composition will help constipation and defecation, but diarrhea patients eat but will aggravate the condition; 2, loss of appetite: sweet potato leaves contain a lot of dietary fiber, after eating easy to feel full, thus reducing the intake of carbohydrates, protein, fat, will affect appetite, interference with the absorption and utilization of nutrients. In the long run may lead to malnutrition, wasting, decreased immunity and even anemia; 3, other: If a patient with kidney disease, it is not recommended to eat sweet potato leaves. As sweet potato leaves are rich in potassium, high potassium sweet potato leaves will affect the excretion of the kidneys, long-term consumption of sweet potato leaves may aggravate the condition of patients with kidney disease. In summary, not everyone is suitable for long-term consumption of sweet potato leaves, in addition to the above groups, the elderly, infants and young children and maternity and other people with weak digestive capacity, it is not appropriate to eat more or long-term eating sweet potato leaves. According to their own situation, the appropriate diet, a reasonable mix.