Fruits are rich in vitamins and pectin, which can provide the body with the necessary nutrients and are loved by people, but not every fruit is suitable for all seasons. In particular, some summer fruits may be eaten at any time, so children should be careful to eat. The actual fact is that you can find a lot of people who like to have a lot of fruits, but people who live in the south rarely eat pineapple in the summer, even if they eat it, they only taste it. This is because pineapples contain a substance called biogenic glycosides, which can irritate the skin and oral mucosa after intake, causing symptoms such as numbness in the mouth, itchiness and skin discomfort. The 5-Hydroxytryptamine in the pineapple can lead to vasoconstriction and headaches and other discomfort. It is best to eat pineapples in summer after soaking in salt water to destroy these ingredients, and not to eat more than you can taste. 2. lychee thin skin and thick flesh, rich in nutrients, but too much summer eating lychee but easy to lead to fire, fever, cough and other diseases. Guangdong people have: “a lychee three fire” saying. It is recommended that people eat less lychee in the summer, eat more easily on fire, resulting in the body deficiency heat and thus symptoms. After eating lychee, immediately drink a small bowl of light salt water, can ease the discomfort caused by eating lychee, but it is better to eat less. 3. mango mango taste delicious, but many people eat mango after allergy symptoms appear, especially some elderly and children are more serious, and even after eating mango appeared life-threatening symptoms. What is the reason for this? This is because when eating mangoes, the elderly and children do not know how to eat them and get mango juice on their faces or hands and other skin areas, resulting in facial rashes, redness and swelling, itchy mouth, throat discomfort and other symptoms. Some allergic people affected by mango mono-hydroxy benzene and aldehyde acid components will appear in the whole body allergy symptoms, itchy, more pain. Therefore, when eating mangoes, it is best not to touch the rest of the skin on the face, and people with a history of allergies are best not to eat mangoes. Mulberry Mulberry has a very high nutritional content, in recent years gradually get people like. But eating mulberries is also a dangerous thing, especially for people who eat a lot at once is more likely to have problems. A variety of digestive enzymes in mulberry can lead to the failure of digestive enzymes in the intestine, resulting in the intestine can not work properly and bloody enteritis, abdominal pain, abdominal leakage, vomiting and other symptoms of poisoning, the situation is serious, even dehydration, shock, injury and life. Therefore, it is best for babies to eat three or five mulberries each time in the summer, do not eat too much at once, a day and so can not eat many times. When the body has discomfort, fever, gastrointestinal discomfort and other problems do not eat mulberry.