Hip and inner thigh pain what is going on may be caused by excessive exercise or soft tissue injury, femoral head necrosis, lumbar disc herniation and other conditions. 1. Excessive exercise: If you don’t exercise for a long time, and suddenly do a lot of exercise once in a while, there will be a buildup of lactic acid, which will lead to pain in the hips and inner thighs. 2. Soft tissue injury: If the patient accidentally falls, strains or suffers from other injuries, resulting in soft tissue injury of the hip and inner thigh, pain symptoms will also occur. 3. Necrosis of the femoral head: Necrosis of the femoral head is caused by ischemia of the femoral head, and the patient will have pain in the groin, hip and thigh, and the patient may have limited movement. 4. Lumbar disc herniation: If the patient has lumbar disc herniation, the nerve root of lumbar vertebrae has been pressed and stimulated, and the patient may have pain in the groin, hip or inner thigh. There are many reasons for pain in the buttocks and inner thighs, and it is recommended that patients go to the hospital in time to identify the cause of the disease and then treat the symptoms.