Itchy nose can be related to atopic dermatitis, folliculitis and acne. 1. Allergic dermatitis is an allergic reaction that occurs when the skin of the nose area is exposed to something that is easily sensitized, and can manifest itself as itchy skin and rashes on the nose area. 2. Folliculitis is an acute inflammatory disease located around the hair follicles. In the early stages of the disease, the local skin will be itchy and red, swollen and uncomfortable, followed by pain and small pus pimples as the main features. 3. Acne is a chronic inflammatory disease, in the early stages of the main manifestations of whiteheads and blackheads, the autonomy of the feeling there are a variety of differences, in general, local itching and pain discomfort. For the nose area of the itch, in a short period of time can not be improved in the case, must be timely to the regular hospital.