To fill in. The history of lipoma surgery is the past history in the teacher qualification certificate and graduate physical examination form, which should be filled in on the principle of seeking truth from facts. Career teachers must fill in the past medical history, and the teacher recruitment exam requires physical examination. If it is not filled in according to the real situation, it will bring trouble to the later stage. Lipoma is a benign tumor derived from adipose tissue. There is a thin connective tissue envelope around the tumor, which contains normal fat cells divided into small Ye Qun by connective tissue bundles.