The lumbar vertebrae on both sides of the press a little tumor touching pain may be sebaceous cysts, lipoma caused. 1. Sebaceous cyst: it is a kind of sebum secretion retention, stagnation and formation of nodules, mostly caused by exuberant sebum secretion, abnormal keratinization of sebaceous gland ducts, bacterial infection, etc., and it can appear as palpable round nodules, which can be painful when pressed and it is more common on the back of the waist and the face. 2. Lipoma: it is a kind of benign tumor that can occur in any fatty parts, caused by fat proliferation, induced by bad diet and life habits, and can be seen in the trunk, limbs and other parts of the body with clear boundaries and soft nodules, part of which can cause pain. Patients who have lumbar vertebrae with a little tumor on both sides of the lumbar vertebrae need to undergo relevant examination and diagnosis in order to clarify the cause of the symptoms. And please consult the doctor in time to avoid delaying the condition.