Tattoo allergy can be dealt with by medication and laser treatment under the supervision of a doctor. Tattoo allergy may cause redness and swelling of the tattooed area, and there are red spots, pimples and other phenomena. If the scratching is more intense, there will also be erosion, scratches, scabs and so on, and with itching. 1. Drug treatment: need to be under the guidance of the doctor for anti-allergy treatment, such as oral cetirizine, loratadine, etc., and at the same time, can be used topically Dinaid ointment, mometasone furoate ointment and other medications. 2. Laser treatment: after drug treatment, the condition is cured, you should go to the hospital in time to remove the tattoo by laser to avoid allergy again. In addition, in the treatment period, avoid scratching, avoid hot water scalding, light diet and so on. If the above situation occurs, it is recommended to go to the hospital in a timely manner, the above drugs should be used in accordance with medical advice.