Lipomas are surface tumors caused by the proliferation of subcutaneous tissues. They are benign tumors, not bacterial infections or contagious diseases. Therefore, lipomas are not contagious. Patients with lipomas can normally interact with other people without causing the spread of lipomas among the population, which is nothing to worry about. After the occurrence of a lipoma, it can be surgically removed. Generally, a lipoma can be completely excised under local anesthesia, and after the wound is sutured, the lipoma is cured.