Scars are the last thing anyone wants to see after skin breakage, and likewise one of the most common disorders in plastic surgery. After burns and trauma, the normal structure of the skin is destroyed, physiological and defensive functions are impaired, through the formation of granulation tissue to connect the two sides of the trauma, filling the cavity and wrapping the foreign body, the epidermal basal layer of cells divide and proliferate to form the epidermal cells to cover the surface, the granulation tissue is gradually matured and transformed into scar tissue, and ultimately complete the repair of the wound. During this process, scars with varying degrees of hyperplasia are formed due to the influence of systemic and local factors. Systemic factors include race, geography, age, diet and environmental factors, etc. Yellow people and young adults are more likely to form scars. Local factors include the location of the damaged area, the degree of damage, whether the wound is infected, the extent of the defect and the treatment of the wound, etc. For example, larger wounds on the chest and back are prone to form hyperplastic scars or even scars. Prevention of scar hyperplasia after surgery should be multi-faceted: 1, dietary control, postoperative recovery period should pay attention to eat more fruits and vegetables and other foods rich in vitamin C, E, avoid spicy stimulation and other foods; 2, post-surgical wounds, you should maintain cleanliness and hygiene at the scars to avoid repeated stimulation, otherwise the scar hyperplasia will become more and more obvious; 3, post-surgery should be avoided or ultraviolet direct sunlight, or else it will cause hyperpigmentation; 4, after surgery, you can avoid direct sunlight or UV, otherwise it will cause pigmentation. 4, you can use scar stickers, Kang Rui Bao, scar grams and other drugs to inhibit the proliferation of scars after surgery; 5, for people with scars, radiation therapy or the use of hormone drugs after surgery; 6, to maintain a good state of mind and a stable routine will also help to prevent the proliferation of scars after surgery.