Children with large rotting holes in their big teeth need pain relief, and the right treatment must be taken in order to achieve pain relief. Generally, you can take dental filling treatment, root canal treatment as well as extraction treatment. 1. Fillings: If the child’s tooth is not too damaged and the nerve of the tooth has not been injured, a filling treatment can be performed. After cleaning the necrotic tissues in the big hole, it is filled with resin material so as not to affect eating and also to control the infection. 2. Root canal treatment: If the pain is obvious, but not accompanied by tooth loosening, after the doctor judged that there is a certain value of keeping the tooth, and the lesion has accumulated to the nerve and pulp of the tooth, you can carry out the treatment of killing the nerve, which is also known as root canal treatment. 3. Extraction: If the tooth is severely damaged, with redness, swelling, pus and other manifestations, and the root of the tooth has been necrotic, losing the function of the tooth, it needs to be extracted in time, so as not to affect the growth of permanent teeth in the future. Children’s big teeth rot a big hole, there may be other treatment methods, it is recommended to timely medical treatment, improve the examination, with the doctor treatment.