A hard lump in the lumbar region, which hurts when pressed, may be due to the following reasons: 1. The normal bony protrusions may be pressed, such as the spinous process of the lumbar vertebrae and the transverse process of the third lumbar vertebrae, which are more prominent in themselves, and if they are squeezed and rubbed, then there may be pain when pressed. 2. Scoliosis may exist. If the patient has scoliosis, then the protruding parts may cause pain, and when the patient is pressed, it may feel hard, and there will be pressure pain. 3, there may be spastic muscle cords, such as in the case of acute lumbar sprain, lumbar muscle strain, lumbar disc herniation, there may be muscle spasm in the lumbar region, which leads to the patient feeling hard when touched, and there is pressure pain. 4, may be due to lumbar occupational lesions, such as the presence of lumbar lipomas, fibroids or skin surface lesions, such as sebaceous cysts and a series of diseases, such diseases will also have hard lumps and painful symptoms when pressed.