Urticaria, also known as rubella blocks and ghost phoenix bumps, is characterized by wind clusters of varying sizes all over the body, with the clusters partially fusing into patches, and angioedema may appear in mucous membrane areas such as the eyelids and vulva, accompanied by itching. What is the experience of having urticaria can be told from the following aspects: First, the lesions are recurrent and recurring, and many times during normal work, the lesions will suddenly appear, and with prolonged onset, many people will experience anxiety and even impatience. Second, the itching of the lesions is more obvious, especially at night, many people will appear to aggravate the situation, affecting people’s sleep quality, life will be affected. Third, there are some special types of urticaria, such as cold urticaria, allergic to cold air and other allergies, very uncomfortable in winter, when cold may appear swollen facial rash. There is also solar urticaria, which develops in the summer, especially in late spring and early summer, when the ultraviolet rays are strong, and it is very scary to go out in the summer because it can easily trigger the occurrence of urticaria. Cholinergic urticaria develops during strenuous exercise, hot baths, stair climbing or emotional stress, which seriously affects people’s quality of life.