Autumn makes people feel high and cool, but the sun is still strong and the amount of UV radiation is still high. High temperature, high humidity, large amount of human sweating, pathogenic microbial infestation, as well as mosquito bites, etc., are the reasons for the prevalence of skin diseases. Chinese medicine believes that autumn is the lung, the lung is the master of the skin, autumn is dry, dry easy to hurt the lung yin, lung yin deficiency skin is dry, all kinds of skin diseases are easy to recur, but also the best season to prevent all kinds of skin diseases. The lung is the master of the skin, the lung guard is strong, the skin is less likely to be attacked, so it can prevent all kinds of skin diseases. In autumn, we can often see various skin diseases such as solar dermatitis, eczema, insect bite dermatitis, hair loss and so on. Therefore, in the prevention we should pay attention to: 1, the same attention to sun protection, pay attention to wear loose and comfortable clothes, keep the skin clean and dry. 2, autumn is dry, so pay attention to diet, eat more fruits and vegetables, eat more food to help nourish lung yin, do not eat spicy. 3, more exercise, keep the body strong, lung health is strong, the skin is strong, not easy to have skin disease. 4, some winter easily recurring skin diseases, such as psoriasis at this time should be done in advance to prevent, can come to the hospital in advance to give prevention, can prevent the recurrence of winter. Therefore, in autumn, we need to raise more “lungs”, you can prevent the occurrence of various skin diseases.