Tattoos have bumps and itchy considerations related to infection, proliferative scarring, allergic skin diseases and so on. 1. Infection: if the patient tattooed without paying attention to local skin care, and induce pathogen infection, the local tissue may be stimulated by the phenomenon of pimples, itchy phenomenon, but also may be red, swollen, pain, and so on. 2. Proliferative scar: when the tattoo leads to skin tissue damage, newborn connective tissue overgrowth repair will cause proliferative scar. The patient’s skin manifested as a raised, smooth surface dark red swelling, may also be accompanied by itching, pain and other uncomfortable symptoms, can also be manifested as a tattoo with pimples very itchy. 3. Allergic dermatosis: allergic dermatosis and a variety of exogenous allergens related to the disease will cause the patient’s skin itching, tingling, red and swollen to varying degrees, there may also be erythema, pimples, blisters, and other symptoms, which manifests itself in tattoos with bumps itchy. It is recommended that tattoos have bumps itchy people to medical examination, clear cause of the disease to follow the doctor’s instructions to take treatment measures. Daily attention to skin care, avoid foreign body friction stimulation.