Gottron’s sign is caused by dermatomyositis, which is its clinical cutaneous symptom. The exact cause is not yet clear, but may be a viral infection, an abnormal recognition of the self by the immune system and vasculopathy, which may be interrelated. The most important thing is to keep a peaceful state of mind, which is more conducive to mobilizing one’s resistance potential (this has long been scientifically proven) and is very helpful in the recovery and treatment of the disease. Avoid infection Prevention of various infections, especially the heavier acute infections and various chronic infections can not be controlled in a timely manner, it is very easy to induce the recurrence or aggravation of the disease, so the active prevention and control of various infections for the treatment of the disease and prevention of recurrence is particularly important, such as: avoid sweating when the wind, appropriate increase and decrease clothing, living sometimes, moderate exercise to enhance physical fitness, etc. to prevent the occurrence of colds. Once the infection is found, it must be actively and effectively controlled, but be careful not to overdo it, the abuse of antibiotics is also very detrimental to the strengthening of the body and the recovery of immunity. Strengthen exercise Moderate exercise, avoid strain as the saying goes: “Moderate exercise is better than taking tonic medicine”. Exercise should not be too hasty, according to their respective physical strength, endurance and stop, step by step, persistent, that is, a small amount, moderate, lasting, casual exercise is very beneficial to health, on the contrary, large doses, forced, short, strenuous exercise is not only beneficial but harmful to the body, is a kind of damage to the body organs, we look at the health of health practitioners and athletes to see the health status.