Popliteal pain in the right leg may be caused by trauma, popliteal cyst, knee osteoarthritis and other reasons. 1. Trauma: due to the knee trauma or strenuous exercise caused by the knee meniscus posterior horn, muscles, ligaments, joint capsule and other tissues are damaged, the patient may appear right leg popliteal pain and other symptoms. 2. Popliteal cyst: As popliteal cyst compresses the blood vessels and nerves of popliteal fossa, it can lead to obvious pain and numbness in the area of leg fossa. 3. Knee arthritis: such as degenerative osteoarthritis, rheumatism, rheumatoid arthritis and other diseases, the patient’s knee joint inflammation stimulation of the surrounding tissues, the patient may appear in the right leg popliteal pain. Popliteal pain in the right leg may also have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.