There may be several reasons for hip pain when bending over: first, fasciitis of the lumbar dorsal muscle, fasciitis of the lumbar dorsal muscle is due to cold, repeated bending over and holding things, or frequent sedentary work, which can lead to chronic inflammation of the fascia of the lumbar back, when the pain is mainly in the lumbar region and can radiate to the hip, especially when the pain is more serious when bending over. Second, lumbar back muscle strain, when there is a lumbar muscle strain, can also appear in the case of lumbar pain when bending, accompanied by radiated pain in the hip. Third, lumbar disc herniation, if the lumbar disc herniation seriously compresses the nerves around the disc, it can also appear lumbar pain, accompanied by radioactive pain in the hip, individual patients can be involved in bilateral hip pain and lower limb numbness, pain symptoms. Fourthly, dermatomal neuritis of the hip, when there is dermatomal neuritis of the hip, pain of the hip will appear, especially when bending over the pain is very significant.