The general use of the Tongue Brush is as follows: first moisten the Tongue Brush with water, then use the Tongue Brush to gently brush the tongue from the inside to the outside, and rinse the mouth with water after brushing. Different models of tongue brush may have different methods of use, according to the specific product instructions shall prevail. When using the tongue brush to brush the tongue, the strength must be light, and can not use too hard objects to scrape the tongue, in order to avoid damage to the tongue. Note that the tongue can not just scrape, scraping the tongue will stimulate the taste buds, damage the tongue papillae, resulting in numbness of the back of the tongue, loss of taste, loss of appetite, and so on, which will affect the health of the body. Tongue moss is an important part of Chinese medicine tongue diagnosis, through the observation of the texture and color of the tongue moss, the doctor can deduce the patient’s internal organs function, identify the strength of the digestive function, reflecting the depth and nature of the disease. Generally not recommended to brush the tongue, the specific circumstances can consult a professional physician, under the guidance of the physician.