1, calm mind In the pursuit of beauty at the same time, first of all, it should be clear that before the operation to consider is to achieve a what kind of plastic surgery effect, to know that plastic surgery is for their own pursuit of the right to beauty, rather than for others or some other things, otherwise even if the operation is very successful, will be due to some people or some things that make you unsatisfied. 2.Objective evaluation According to the individual’s different growth environment, life experience, cultural heritage, skin color, skin elasticity, body shape and one of the many conditions, will form each person’s unique characteristics and uniqueness. For a certain part of the body, such as nose, ears, eyes, etc. are similar to a certain person, but we can never become a certain person. Therefore, many people want to plastic surgery of a part of themselves into a star or an idol in their hearts, this idea is very undesirable. 3, do not put too high expectations of plastic surgery to realize that their own appearance has an objective, sober understanding of the purpose of cosmetic surgery has an appropriate expectation. Do not hold a “perfectionist” mentality, the cosmetic surgery as a “transformation” of the “magic”. Although plastic surgery can turn the ugly duckling into a white swan, but can not turn the ants into elephants, so do not have unrealistic expectations, which will only cause unnecessary pressure on ourselves. 4, make adequate preoperative preparation before plastic surgery should be carried out before the general condition of the whole body, especially the psychological state, heart, liver, kidney and other major organs of the examination. In terms of local examination, attention should be paid to the presence of infected foci in the surgical area. Therefore, adequate rest and sleep should be ensured in the days before surgery. Two weeks prior to the procedure, smoking should be stopped and alcohol consumption reduced, medications containing aspirin and vitamin E should be discontinued, tea and coffee should be consumed sparingly, and consumption of processed dairy products or other foods should be limited. Taking 5 mg of vitamin k daily for 3C5 days before surgery can reduce skin bruising caused by surgical bleeding.