The flaky skin may be caused by dry skin, or it may be caused by seborrheic dermatitis or psoriasis. 1. Dry skin: If you are in the dry season of fall and winter, and do not pay attention to replenish the skin’s moisture, it will lead to dry skin, so there will be more flakes of the phenomenon; 2. Seborrheic dermatitis: seborrheic dermatitis is a relatively common skin disease, usually mainly in the head, face and behind the ears and other parts of the body, with common symptoms such as skin erythema, flaking and itching; 3. Ordinary psoriasis: Ordinary psoriasis is also a relatively common skin disease, the main symptoms of excessive skin scales, usually there are plaques and itching and other symptoms. If there are no other abnormal symptoms, the skin flakes can be treated without special treatment, and can be adjusted through daily diet, such as drinking more water, eating more fresh vegetables and fruits, and keeping the indoor humidity suitable. If there are other abnormal symptoms, you need to actively go to the regular hospital, follow the doctor’s advice to adopt the appropriate treatment program.