Sclerosing atrophic moss currently no clinical data surface how long will be cancerous, generally most patients will not appear cancerous, its chances are relatively small. Sclerosing atrophic moss is a chronic inflammatory skin and mucous membrane disease, the cause of which has not been clearly defined, and may be due to genetic, immune deficiency, infection, metabolic disorders and other factors. There is no authoritative data to show how often patients with sclerosing and atrophic moss will develop cancer. Due to the high cure rate of sclerosing and atrophic moss, patients usually do not have the possibility of cancer, and there is no need to worry too much. Once diagnosed with sclerosing atrophic moss, patients should actively cooperate with doctors to take relevant treatment measures to improve the prognosis. Topical glucocorticosteroids, immunosuppressants, laser therapy, cryotherapy, phototherapy, etc. can be used as prescribed by the doctor. It is recommended that patients with sclerosing atrophic moss should follow the doctor’s instructions and undergo regular follow-ups after recovery, in order to understand the recovery of the disease.