Thigh pain may often be nerve, vascular, bone and muscle problems, as follows: 1, lumbar disc herniation, pear-shaped muscle pressed sciatic nerve, causing pain; 2, bone necrosis, joint effusion, etc. can cause thigh pain; 3, vascular ischemia leads to nerve nutrient deficiency, causing pain; 4, excessive exercise, strains can also lead to leg pain, and thigh pain can occur after exercise, which is due to the accumulation of lactic acid after excessive exercise, causing pain in the thighs. If the pain is found to be too long, it is recommended to go to the hospital in time.