Patients with lumbar muscle strain can generally sleep in a supine position, and then put a pillow on the waist, which is conducive to the physiological curvature of the lumbar spine, or they can also lie on the right side. Lumbar muscle strain is mainly caused by long-term physical labor, cold and improper exercise. You can take NSAIDs orally at the doctor's suggestion, and have good effects in combination with acupuncture, physiotherapy, massage and other treatments of traditional Chinese medicine. When the weather turns cold, you need to add clothes in time. You should strengthen local cold protection and keep warm. You can eat more vegetables, fruits and foods rich in protein.