Itchy belly may be suffering from contact dermatitis, scabies, ringworm and other diseases, you can follow the doctor’s prescription medication. 1. Contact dermatitis: contact dermatitis is an acute or chronic inflammatory reaction caused by direct contact of the skin or mucous membranes with an exogenous irritant or allergic substance at the site of contact. If the skin of the little tummy is not broken can be applied topical Dinaid ointment, if there is broken, can be applied topical fusidic acid cream. 2. Scabies: Scabies is a contagious disease caused by scabies mites parasitizing human skin, manifested as pale pink papules or mounds of herpes, which can be treated by applying sulfur ointment. 3. Ringworm: superficial skin fungal infections caused by pathogenic fungi parasitizing the smooth skin of the human body, collectively known as ringworm. The topical antifungal drugs such as naftifine ketoconazole cream can be used to treat it. The causes of itchy tummy are many, it is recommended to go to the dermatology department to clarify the cause of the disease, under the guidance of the doctor symptomatic treatment, do not self-medication.