The scientific name of wind bumps is wind puffs, which is one of the special manifestations of urticaria, and the main causes include allergy, infection, emotion and other factors and systemic diseases, as follows: 1, allergic factors: such as allergies to beef and mutton, eggs, milk, seafood, etc.; 2, infectious factors: can be due to fungal, bacterial, viral infections; 3, emotional factors: too much tension, caused by fatigue; 4, systemic disease: for example, thyroid gland Systemic diseases: such as thyroid diseases, digestive diseases caused by Helicobacter pylori infection, diseases caused by kidney failure, heart disease. In addition, the skin scratch disease is also a special form of urticaria.