There is no medication from a medical point of view that can stimulate tooth regeneration. There are only two kinds of human teeth, which are milk teeth and permanent teeth. No matter permanent teeth or milk teeth, it is impossible to stimulate regeneration by drugs. 1. Milk teeth: If a child’s permanent teeth are delayed after the milk teeth have receded, it is usually caused by thickening of the gums, insufficient space for the eruption of the permanent teeth, and abnormal development of the permanent tooth embryo, etc. The child needs to go to the hospital stomatology department for orthodontic treatment. Need to go to the hospital stomatology department for correction, does not need drugs, parents should not be too anxious. 2. Permanent teeth: If permanent teeth are lost, there is no regenerative function of the dental tissues. Patients can go to the regular hospital for implant restoration, or according to the situation of the adjacent teeth on both sides of the production of movable denture or fixed denture restoration. Patients with tooth loss should not easily believe that some of the network to stimulate tooth regeneration drugs, patients with tooth loss are recommended to go to the regular hospital for examination and repair.