Desensitization treatment is clinically divided into home desensitization and office desensitization, as follows: 1, home desensitization doctor will recommend patients to choose toothpaste, mouthwash containing desensitizing ingredients, can be operated at home, relatively simple and convenient, but the effect of home desensitization may vary from person to person. Home desensitization time requirements, some people may be 2-3 weeks, some people have to 1-2 months to have the effect; 2, office desensitization patients need to go to a specialist medical department or clinic to go, the doctor will be based on the patient’s laboratory tests, choose a different desensitizing agent for desensitization of the affected teeth, in the clinic to apply more desensitizing agents, such as sodium fluoride, which contains a very high component of desensitizing agents. The more advanced light-curing resin filling can also achieve the desensitizing effect. Now more popular is laser desensitization, but the effect also varies from person to person, laser desensitization still needs a lot of clinical verification.