There are two ways of hairline removal surgery, one is chemical peeling hair removal, a surgical method to chemically corrode and necrode the hair roots at the edge of the hairline, and the other is the mature laser technology, which only affects the hair follicles, and has no post-surgical side effects under normal circumstances, and is not harmful to the skin. Although laser hairline removal surgery has the advantages of remarkable effect, convenience and quickness, there are still some surgical risks due to the doctor’s operating techniques, their own physical condition, machine quality, etc., specifically including: 1, the surgical area appears to be more sparse in comparison with other locations, i.e., the surgery affects the density of the hair growth as well as the growth pattern; 2, the doctor’s improper manipulation of the hairline removal may lead to skin irritation, resulting in reddish hairline areas, which will cause skin injury. Stimulation, resulting in hairline parts of redness, swelling, local infection; if the hair removal, the laser energy is too large, but also may lead to local skin burns, scar formation, pigmentation, etc.; 3, more sensitive skin, thin horny layer of the crowd, the skin will be hot and itchy feeling after hairline removal, mostly caused by the skin intolerance of the laser’s energy or improper operation of hairline removal, and the quality of the laser instrument also has a certain relationship with the laser. It is also related to the quality of the laser instrument. In order to avoid the occurrence of the above situations, it is recommended that candidates choose regular medical institutions and professional doctors to perform hairline removal surgery, and keep the forehead clean before the operation, which can effectively improve the safety and effect of the operation.