Rehabilitation of new liquid treatment of mouth ulcers course of treatment generally need 3 ~ 7 days, the area of the large may need 7 ~ 14 days, mouth ulcers have self-limiting, without medication can generally be self-healing. 1. Mouth ulcers are self-limiting, the entire period of attack is generally about 7 to 14 days, that is, without medication can be healed. 2. Rehabilitation of the new liquid is the role of the yin and muscle, can treat ulcers, trauma, burns and other wounds, can promote the healing of wounds. 3. Mouth ulcers after the use of rehabilitation of new liquid treatment, the course of treatment generally need about 3 to 7 days, it is the main role is to accelerate the healing of the ulcers, but it is not necessary to use the drug. It is recommended that people with mouth ulcers consult a doctor in time to check the cause of the disease, remove the cause of the disease and then use drugs to promote healing or wait for the ulcers to heal on their own, the use of drugs need to follow the doctor’s instructions.