If a patient has right lateral leg pain, the causes are mainly lumbar disc herniation, right lateral leg injury, strain or injury to the lateral collateral ligament of the knee joint, and injury to the lateral meniscus of the right knee joint, etc., as follows: 1. lumbar disc herniation: after compressing the nerve root on the right side, the patient is prone to right lateral leg pain. 2. right lateral leg injury: also prone to right lateral leg pain. 3, Strain and injury to the lateral collateral ligament of the knee joint: also prone to right lateral leg pain. 4. Injury to the lateral meniscus of the right knee joint: may also cause right lateral leg pain. Therefore, patients with right lateral leg pain must consult a doctor to see what causes it, and give treatment for the cause to promote the reduction and recovery of right lateral leg pain symptoms. For those who have significant pain, they can temporarily apply hot compresses, acupuncture, moxibustion and other therapies with non-steroidal anti-inflammatory drugs to reduce pain. After the appearance of right lateral leg pain, patients must avoid standing for a long time, squatting, running, jumping, hiking sports, etc. to avoid aggravating the right lateral leg pain.