As we all know, the nutritional value of fruits is high, and some fruits have certain health effects, which is a favorite food. However, fruits, like other foods, also have worrying side effects, and if they are not consumed with care, they can be harmful to health or life-threatening. Although the cherry shape and taste is beautiful, but because of the iron content is too rich, plus contains a certain amount of cyanogenic glycosides, so cherry consumption in excess will cause iron poisoning, and even cause cyanide poisoning. Although the lychee is a good fruit, but more food is fever, especially fresh food too much can cause swollen gums and sore mouth or epistaxis, so the yin deficiency fire caution. In addition, eating more litchi can also occur hypoglycemia, medically known as “litchi disease”, because litchi has a hypoglycemic effect, which is common in the litchi production area. Mulberry is sweet and juicy when ripe, but contains hemolytic and allergenic substances and hyaluronic acid, etc. Too much consumption is prone to hemorrhagic enteritis, which can be fatal in severe cases. Persimmon consumption can cause “persimmon stone disease”, because the persimmon is dissolved by stomach acid, the pectin and persimmon gum in the persimmon will be in the action of stomach acid condensation for insoluble stones. Plums, ginkgo, plums, apricots and other fruits contain trace amounts of hydrocyanic acid. As the saying goes: “peach full of people apricot hurt people, plum tree under the lift dead”, in fact, refers to the full consumption of apricot, plum and other fruits caused by hydrocyanic acid poisoning. Pear, eat too much can hurt the spleen and stomach, help Yin damp, so that the gastrointestinal dysfunction, causing diarrhea and other diseases. Therefore, fear of cold, spleen deficiency diarrhea should be avoided. In addition, trauma, after childbirth, children after acne are not suitable for more food. Banana, although all people like to eat, but fasting if a large number of food, due to its high magnesium content will cause the ratio of magnesium and calcium in body fluids to change, so that the blood magnesium increased significantly, the cardiovascular inhibitory effect, causing obvious numbness, such as muscle paralysis, drowsiness and weakness and other symptoms. In addition, because of its cold nature, so the spleen and stomach cold, stomach pain and diarrhea should eat less, too much stomach acid should be prohibited. People with poor kidney function and patients with arthritis and muscle pain should not eat bananas. Because of the high potassium content of bananas, kidney disorders have serious side effects; and, bananas can slow down local blood circulation, metabolites accumulate, increased consumption of vitamin B in the body, thus making joint and muscle pain worse.