Mango contains a lot of sugar, fiber, minerals, vitamins and other nutrients, due to the different constitution of each person, some people may not occur any abnormal performance even if they consume a lot of mangoes. But some people after excessive consumption of mango, may appear allergies, indigestion, blood sugar and other adverse reactions: 1, allergy: allergic reaction is one of the common adverse reactions after consuming too much mango, mostly manifested as itching, red rash around the mouth and other parts of the body, some people may also be accompanied by sneezing, throat edema, abdominal cramps, diarrhea and other symptoms, serious respiratory difficulties, resulting in 2, indigestion: mangoes are rich in protein, eating too much will cause a sense of satiety, and too much mango will affect the gastrointestinal tract peristalsis, which will cause bloating, diarrhea, etc.; 3, elevated blood sugar: mangoes in the high sugar content, eating too much is likely to cause the body’s blood sugar levels rise. Especially for diabetic people, should try to avoid eating; 4, skin yellowing: mango contains a lot of carotene, a lot of mango consumption may lead to yellowing of the skin; 5, other: Chinese medicine believes that mango consumption will also lead to an increase in the degree of damp heat in the body, which may aggravate the original existence of some people dermatitis, eczema, edema and other diseases.