Consider a positive artificial scratch, also known as artificial urticaria, belongs to the allergic disease, and my allergic body, stay up late resistance to decline easily, may also be related to other chronic medical diseases, treatment is based on anti-allergy treatment. Urticaria, also known as “rubella”, is a kind of allergy, and can be divided into acute, chronic and induced according to the course of the disease and the cause of its onset. Artificial urticaria is induced, treatment is based on standard oral anti-allergy drugs, such as levocetirizine tablets, desloratadine tablets, cyproheptadine tablets, choose 1-2 kinds, can control the disease. After controlling the disease, you should not stop the medication without authorization. It is recommended to adhere to the medication for 2-4 weeks, and then adjust it to half amount (half tablet every night or 1 tablet every other day), and stop it when there is no sign of rash recurrence. If the treatment is not effective or the rash recurs, it is necessary to increase the type of anti-allergy medicine or Chinese medicine such as Yu Ping Feng granules to regulate immunity. About one-third of the patients are refractory urticaria and need to improve blood routine, liver and kidney function, thyroid function, immune function, abdominal ultrasound, and gastric HP screening (carbon 14 breath test) to exclude related chronic diseases. During the treatment of artificial scratch disease, pay attention to securing rest time, try to go to bed before 10 pm, do not drink alcohol, do not eat spicy and stimulating food, and exercise appropriately to improve resistance.