Hip pain may be due to femoral head necrosis, but it may also be due to pyriformis syndrome, herniated disc, etc. The femoral head is an important part of the hip joint, and the early manifestation of femoral head necrosis is pain in the hip during weight-bearing or during activities. Hip pain is manifested when lifting the legs or going up and down stairs, and may also radiate to the buttocks to appear pain. Hip pain may also be due to pyriformis syndrome, a condition in which long-term strain on this muscle and inflammation compressing the sciatic nerve can cause significant hip pain. Herniated discs may also irritate the sciatic nerve and cause hip pain. Hip pain has many causes, it is recommended to consult a doctor in time, follow the doctor’s instructions to carry out relevant examinations, with the help of the doctor to clarify the cause, and targeted treatment or treatment.