Tooth allergy and soreness can be dealt with by desensitization treatment, filling and restoration or full crown restoration according to the specific situation. 1. Desensitization treatment: It is to close the dentin tubules with desensitizing agents to achieve the effect of anti-allergy, commonly used desensitizing drugs include sodium fluoride, silver ammonia fluoride, etc., as well as resin desensitizing agents. 2. Filling and restoration: For caries-induced hypersensitivity, the decayed tooth tissue needs to be removed cleanly and then filled and restored. In the case of cracked teeth, the fissure should be smoothed out and then filled with a composite resin. 3. Full crown restoration: if the cracked groove of the tooth is deeper, or even cracked to the root of the tooth, you need to carry out root canal treatment on the tooth first, and then carry out crown restoration at a later stage, to isolate the tooth from the outside world’s stimulation, so as to solve the case of allergy and soreness of the tooth. Tooth allergy soreness, usually pay attention to do not eat too hot and too cold food, use warm water to brush teeth and rinse mouth, timely to the hospital, according to the results of the examination to determine the best treatment program.