Tongue moss cannot be scraped off. Scraping the tongue moss by oneself may damage the tongue body or affect the doctor’s judgment during consultation. However, if the original tongue moss suddenly peeled off the tongue, is the body has a disease performance, need to consult a doctor in time. Tongue moss is composed of keratinized epithelial bacteria, saliva and other substances shed in the mouth. Frequent scraping of tongue moss in daily life may damage the tongue. When the tongue is thickened and there is no physical discomfort, you can choose to use a soft-bristled brush to remove the debris on the surface of the tongue. However, if the original tongue moss suddenly peeled off the tongue, i.e. light peeling tongue, is the body has a disease manifestation, need to consult a doctor in time. When the patient is not feeling well, it is not recommended to scrape the tongue moss. If you go to the hospital, the shape of the tongue moss is an important reference value for Chinese medicine practitioners in diagnosing and treating diseases, and scraping the tongue moss may affect the doctor’s diagnosis, which is not conducive to the treatment of the disease. If the tongue moss is suddenly peeled off, it is necessary to consult a doctor in time.