Tattoo blisters, clinical reasons may be tattoo pigment stimulation of the skin, local skin infections, allergic reactions. 1. Tattoo pigment stimulation of the skin: some tattoo stores and practitioners do not have professional qualifications, the use of tattoo pigment there are safety issues, ordinary people in the use of local skin irritation is likely to occur, clinical manifestations of the affected areas of the skin redness, blisters, ulceration and so on. 2. Local skin infection: not standardized disinfection of the tattoo tool will cause the tattoo skin infection, resulting in local skin redness, swelling, itching, blisters, pain and other symptoms. 3. Allergic reaction: this situation is seen in some of the special physique of the crowd, their own contact with the pigment used in the tattoo will appear after the local skin allergic reaction, which can lead to blisters, pimples, itching, pain and so on. It is recommended that people with related conditions should go to the hospital for a clear diagnosis, so as to carry out targeted treatment and therapy.