Tattoos can usually be washed away, but whether or not they leave a scar is related to the depth and color of the tattoo and the patient’s constitution. Tattoo removal, that is, through a variety of methods to remove the tattoo process left in the subcutaneous some of the pigment, the most commonly used method is laser treatment. Laser tattoo removal, mainly using the laser’s photothermal effect can accurately act on the pigmented parts, shatter the pigment particles, promote the metabolism and absorption of pigment, so as to achieve the purpose of lightening pigment and eliminating pigment. Laser treatment to remove tattoos can play a certain therapeutic effect, but generally need to be repeated several times to achieve the purpose of completely eliminating tattoos. Laser tattoo removal generally uses exfoliative laser, is invasive treatment, will cause partial damage to the skin, for the tattoo location deeper, or keloidal people, or post-treatment care is not appropriate, there may be left behind after the treatment of scarring. In order to ensure the safety and effectiveness of the treatment, it is recommended to choose a regular medical institution.