Women with hidden pain in the inner thigh have the following reasons: First, it is seen in gynecological inflammation, after the emergence of gynecological inflammation, it will lead to swollen lymph nodes in the inner thigh, thus causing hidden pain in the inner thigh. Second, it is seen in hip joint diseases, such as hip synovitis, femoral head necrosis, and hip joint degeneration and osteoarthritis in middle-aged and elderly women. This can lead to obvious pain around the hip joint and radiating pain on the inner side of the thigh. Third, it is seen in trauma, especially after trauma causing muscle and fascia pulling injury in the inner thigh. If the treatment is not complete, it will easily lead to a vague pain in the inner thigh in the later stage.