A woman’s right upper thigh pain may be caused by muscle strain, lumbar disc herniation, dermatoneuritis, femoral head necrosis and other factors. 1. Muscle strain: due to prolonged over-exercise or weight-bearing activities, or long-time legs and other bad posture, can make the thigh muscle strain, manifested as upper thigh pain. After proper rest, it will be relieved soon. 2. Lumbar disc herniation: the herniated intervertebral disc compresses the right nerve root, which can lead to pain in the right upper thigh, accompanied by lumbar pain, lumbar spine activity restriction and other symptoms. 3. Dermal neuritis: due to local cold or overwork, it leads to lateral femoral dermal neuritis, which results in pain in the dermal nerve innervation area of the upper thigh, which is manifested as pain in the upper thigh. 4. Necrosis of the femoral head: when necrosis of the femoral head occurs, hip discomfort around the necrosis of the femoral head can occur, manifested as pain in the upper thigh. Women’s right thigh pain may have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.