There are many reasons for facial itching, mainly the following: 1, dry skin, dry skin, peeling, local dehydration will lead to facial itching, drink more water to replenish the body moisture, while more hydrating cosmetics can be used. 2, fungal infection, the skin will appear red spots, flaking, need to go to the hospital to do fungal immunofluorescence examination, after diagnosis requires the use of antifungal drug treatment. 3, vitamin deficiency. Eating less vegetables and fruits for a period of time will lead to vitamin deficiency, and itchy skin will also appear. The itchy skin can be stopped by eating more vitamin-rich vegetables and fruits, which can make the skin more lustrous and elastic. 4, allergic dermatitis, replacing cosmetics or skin care products, causing local allergies will appear itchy face.