Summer is a high season for allergic dermatoses, such as ultraviolet light-induced solar dermatitis, insect bite dermatitis caused by mosquito bites, high temperature, detergents, chemical fiber clothing, improper diet, staying up late, etc. Dermatitis, eczema, urticaria, neurodermatitis …… and a series of other allergic diseases, and the most important clinical manifestations of these diseases The main clinical manifestations of these diseases are intense itching and many different kinds of rashes. Patients are treated by scratching, washing and scalding, and taking some anti-itch medication on their own. These methods can neither relieve the patient’s pain nor delay the aggravation of the disease, which is not correct. The first and most important treatment for allergic diseases is to go to a regular hospital and find a dermatologist to help you. Secondly, to do the correct care, precautions are as follows: 1, prohibit scratching, such as particularly itchy, can be gently patted. 2, avoid washing and scalding, especially with hot water, salty salt water, pepper water. 3, avoid eating seafood, mutton, spicy and other irritating food. 4, avoid exposure to the sun, wear pure cotton, breathable clothing. 5, drink more water, eat more food containing calcium, vitamin A, C, B, such as fruits and vegetables. 6, keep emotional stability, ensure sleep. 7, if you need to take medicine and use topical medication, please find a doctor to help you solve.