The back feels very tired, there are several common causes, namely, cold, strain, strain, muscle spasm, fasciitis, strain, trauma, etc., as follows: 1, cold, strain, strain, muscle spasm, fasciitis: if it is cold, strain, strain, muscle spasm or fasciitis, it is necessary to rest, pay attention to warmth, local hot compresses, and at the same time can be combined with acupuncture, massage, infrared, ultra-short wave and other physiotherapy 2, strains, trauma: If it is a strain or trauma, you need to rest based on the early ice, the late appropriate hot compresses, but also with the above drugs and physical therapy. Most of the symptoms can be relieved to some extent after the above treatment. If there is no relief, you need to go to the hospital in time for examination.