1. Tattoos belong to the category of medical beauty, and it is legal for people who need medical beauty and plastic beauty certificates to do them in places with medical beauty licenses.
2. According to the provisions of the Criminal Law, if a person who has not obtained the qualification for practicing medicine illegally practices medicine, if the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance, and shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years, and shall also be fined, and shall also be sentenced to fixed-term imprisonment of not less than ten years and fined.