There are more mucosal medications, oral and topical. Topical application also includes, wet compresses, gargling, and smearing. The correct method of medication is very important to the recovery of the disease, it is recommended to read these usage before using the medication. Mouthwash: Most of the mouthwash is 10ml three times a day, and the period of use is in accordance with the doctor’s prescription. Mouthwash or chlorhexidine mouthwash: generally used for oral disinfection before biopsy and for one week after surgery to prevent oral infection. Sodium bicarbonate tablets: 6 tablets + 100 ml of water, melted and gargled, used as an adjunct to the treatment of oral fungal infections. 1% povidone iodine solution: 5 ml of povidone iodine + 5 ml of water, diluted twice before gargling. Preparation of tablets: contain and melt, three times a day, just stick out the tongue and place it on the tongue surface. Use saliva to make the medicine melt completely in the mouth. If your mouth is dry, you can hold a small amount of water. It can be swallowed or spit out. Topical powder: Generally commonly used is ulcer powder, it is recommended that you can dip a cotton swab into the powder and apply it to the affected area. It is easier to stick to the medicine when there is saliva. Topical creams, which are more slippery, are recommended to dry the affected area inside the mouth with a cotton swab or cotton ball and apply it directly with cleaned fingers. Oral our homemade Chinese medicine, usually twice a day, a bag once, boiling water. It is not recommended to increase the dosage without permission.