Patients suffering from lumbar disc herniation are not able to lie on their stomachs, that is, they are not able to take a prone position. Although it is possible for such patients to have their symptoms relieved in the short term when they adopt this position, it may cause the symptoms to worsen over time or cause other complications, and this position may have the following effects on the patient: First, this position may cause the nerve root and the herniated disc to continue to be in close contact, although when the patient adopts the prone position in the early stages, the nerve root First, this position may lead to continued close contact between the nerve root and the herniated disc. With prolonged prone time, the nerve root or spinal cord is pulled by gravity and then comes into contact with the herniated disc again. Second, this posture may lead to the gradual development of muscle spasm in the lumbar region. Third, this posture may lead to pressure sores on the chest and the front of the pelvis, especially when the patient is prone for a long time, and this complication is more likely to occur.