Children’s new teeth touch loose, patients should go to the hospital in time for loose teeth fixed to deal with, should pay attention to oral hygiene. 1. Children’s new teeth, also known as young permanent teeth, generally the root development is incomplete, and due to traumatic reasons hit loose, it is recommended to go to the hospital in time for loose teeth fixed. The loose teeth and the neighboring teeth on both sides of the ligature together, generally need to be fixed for 2-4 weeks, so that the loose teeth and the opposite jaw teeth without occlusion, usually eat to avoid the loose teeth, so as not to suffer secondary injury. 2. Oral hygiene should be paid attention to, so as to avoid bacteria causing damage to the periodontal membrane infection, resulting in increased loosening of the teeth, not conducive to recovery. After checking and fixing, parents can pay more attention to observation, and follow the doctor’s instructions to go to the hospital regularly for follow-up, so that the loosening can be removed only after the complete elimination of the loosening. In addition, it is recommended that children avoid eating hard food and pay attention to oral hygiene when they have new teeth, and brush and rinse their teeth before and after meals, so as not to induce inflammation and lead to tooth pain. Regularly go to the hospital to check the teeth, so as to avoid pus necrosis of the nerve to trigger apical inflammation.