Blood-heat type urticaria is the name of a Western medical condition, which is categorized under the category of addiction rash in Chinese medicine, which is considered to be a skin disease due to blood-heat generating wind and wind invading the skin. Clinically, it is divided into two types: wind-heat and stomach-intestinal damp-heat type. 1. Wind-heat and knot-type urticaria (1) Mostly sexual attacks, mainly seen in young people. Symptoms are paroxysmal appearance of reddish to bright red red red air masses on the whole body, and the air masses are map-like, which can be fused into a large block. Each time lasts for a few hours or so, the itching is intense during the attack, and the itching disappears after the rash subsides. (2) In addition to skin symptoms, patients often have symptoms such as dry mouth and heartburn. Patients are prone to attacks when they are exposed to heat or wind, and they are sensitive to temperature changes. (3) The treatment of urticaria of the wind-heat beating type should be based on dispelling wind and clearing heat, and drugs such as moistening dryness and relieving itching capsule and eliminating wind-heat and relieving itching granule can be used for the treatment. 2.Gastrointestinal damp-heat urticaria (1) can be acute or chronic episodes, overeating or often eat beef and mutton, seafood and other hairy things easy to appear. (2) The main symptom is the appearance of paroxysmal flat pimple-type wind, bright red color, itching, and healthy people when not attack. The attack often occurs after eating alcohol, beef and mutton, and spicy food. (3) The treatment of gastrointestinal damp-heat type urticaria is based on clearing heat and removing dampness (removing heat and dampness in the body), which can be treated with Fangfeng Tongsheng Pill.