The patient’s stomach skin if itchy symptoms, in the clinical formation of the reasons may be varied, in most cases, may be related to local skin allergies, infections, as follows: 1, skin allergies: patients with localized skin if the skin comes into contact with allergic substances, especially wearing underwear material produced by the skin allergy symptoms, may induce a certain amount of itching. Some people may be related to local decorations, if the local skin contact with metal belt head, metal buttons, it may induce a certain contact dermatitis, will also produce itchy symptoms. 2, skin infections: some people in this part of the skin infections, such as fungal infections caused by tinea corporis, will also induce itching.