Teeth afraid of cold, heat and acid may be caused by dentin exposure due to dental hard tissue disease, periodontal tissue disease, etc., which can be treated by medication, surgery and other methods. For dental caries and other hard tissue caused by dental caries, 75% sodium fluoride glycerin paste should be used as prescribed by the doctor to inhibit bacterial growth, improve the acid resistance of the teeth, and promote the remineralization of demineralized teeth; clove oil phenol, etc. can restore the pulp congestion to normal and eliminate the symptoms; according to the specific circumstances of the selection of dental filling surgery, crown restoration surgery, etc.. For periodontal disease and other periodontal diseases caused by periodontal scaling, periodontal scraping, hydrogen peroxide solution and other local antiseptic solutions can prevent or reduce the formation of plaque; ibuprofen and other non-steroidal anti-inflammatory drugs can be used as an adjunctive therapy for the mechanical removal of plaque; excisional surgery, reconstructive surgery, etc. can be selected according to the specific circumstances. It is recommended that people who are afraid of cold, heat and acidity in their teeth go to regular hospitals in time to clarify the cause of the disease and standardize the treatment under the guidance of doctors.