Myofascitis is a common disease, which is more common in people with poor constitution. After the disease recurs, long red scratches can appear when the skin is lightly scratched; Stiff back muscles, inflexible lateral rotation, even traction, leg pain; Some patients can feel a painful nodule and a cord-like lump in the back pain area. Myofascitis is caused by decreased immune function, edema of fibrous connective tissue, fat infiltration, vascular inflammation, spasm and repeated cold stimulation. It is also caused by obesity and fat mass pressing fascia and epithelial tissue and adhesion. Therefore, it is extremely important to take part in regular exercise, exercise your back and keep warm.