Often see a lot of patients tattooed, and even some patients’ entire back or arms are tattooed in red or blue, I wonder where these dyes used for tattooing are produced, whether animal testing and human testing has been done, whether the long-term presence in the human body is carcinogenic, teratogenic effect. Because these dyes are in contact with the body’s cells every moment. The country is very strict control of drugs and food, I wonder if there are corresponding regulations on tattoo dyes. If not, should not be as soon as possible to improve the law in this area. Beauty is relative, some people may think tattoos are beautiful, perhaps more people appreciate the natural beauty given by their parents. We should respect different aesthetic standards, but when beauty and health conflict, we should really think about whether we need to be beautiful or healthy. There may be individuals who would rather be beautiful at the expense of their health and even life (I have heard of plastic surgery deaths), then this beauty can only leave a short memory, because no one thinks a pile of white bones, cold graves are beautiful.