The reasons for the burning sensation in the back of patients are as follows: 1. Fasciitis of the lumbar back or back muscle strain: mainly due to prolonged ambulatory work or frequent bending work, such as lifting heavy objects, mopping the floor and other situations, can cause the back fascia to be loaded for a long time. The tension of the fascia tends to increase, and over time it is easy to develop a strain on the fascia, mainly manifested as soreness and swelling of the back, which can also be manifested as a feeling of heat in the back, often with muscle spasms in the back, manifested as stiffness in the back. 2, gastrointestinal disorders: sometimes acute and chronic reflux esophagitis, gastritis, can appear burning pain in the stomach, and sometimes the pain can be manifested in the back area.