Optics microscope showed: On the seventh day after operation dermic papillary and reticular layer existed, the epidermis was thinner but germinative layer cells arrayed tidily like pillar, and there were many hair follicle and sebaceous gland. 光镜:术后7天见真皮乳头及网状层,表皮较薄但见柱状排列整齐的生发层细胞,有较多毛囊、皮脂腺。