Permanent removal of leg hair can try laser hair removal treatment, which has better hair removal efficacy and higher safety, attention to the operation of the post-care can help achieve better results. Laser hair removal is mainly based on the principle of selective photothermal, by reasonably adjusting the laser wavelength, energy, density and other parameters, so that the laser through the surface layer of the skin to reach the hair follicle site, the laser light can be absorbed by the hair follicle at this time is converted into heat and the hair follicle tissue to cause a certain degree of destruction, so as to make the hair lose the regeneration ability, and ultimately realize the efficacy of permanent hair removal. Laser hair removal can help patients permanently remove leg hair, but also has a certain degree of narrowing the skin pores, brightening the skin effect, so that the patient’s skin has become more smooth and tender; and laser treatment of hair removal can selectively destroy the hair follicles, will not cause harm to other skin tissues, has a high degree of safety, treatment will not affect the patient’s normal life. After laser hair removal treatment, patients should pay attention to strengthen the local skin care, which can help better recovery, such as after treatment, patients can be appropriate ice packs to help reduce the burning and pain; out of attention to strengthen the sunscreen, to avoid the occurrence of hyperpigmentation; try to use less irritating to the skin of the cleaning products and skin care products for care, and so on. It is recommended that patients go to a regular hospital to see a professional doctor for laser hair removal treatment to avoid the occurrence of adverse reactions.