Lateral thigh localized lumps often have the following reasons: First, after thigh is hit by external force, the local soft tissue damage appears hematoma, at this time, if the bleeding of hematoma stops, no progressive aggravation, local ice can be given for 24 hours to reduce the tissue exudation, after 24 hours, local external application of activating blood circulation and removing blood stasis cream, oral pain relief an, bruise pills and other medicines can promote the absorption of the local hematoma more quickly; Second, lipoma, lateral thigh Abnormal accumulation of adipose tissue can form tumor-like mass, if it does not cause pain and swelling, it can not be treated temporarily; if the tumor of lipoma increases slowly with obvious pain, it is recommended to perform surgical resection, so as not to cause serious complications.