Children with insect teeth should be treated in time. Treatment should be chosen according to the condition of the decayed tooth, and the treatment includes general treatment, root canal treatment, and filling treatment. Tooth decay, known as dental caries or tooth decay, is a disease that leads to progressive destruction of the hard tissues of the teeth under the action of various factors such as bacterial infection. The incidence is higher in children and is mostly caused by poor eating habits, lack of brushing habits or poor adherence. According to the specific conditions of dental caries, different methods are chosen for treatment. 1. Fluoride application: When shallow caries is present, a high concentration of fluoride can be applied to the carious area and attention is paid to the usual oral hygiene habits. 2. Filling: When the cavity is deep but has not yet reached the pulp, the decayed tissue can be removed and dental materials can be used to fill the cavity. 3. Root canal treatment: If the cavity has led to pulpitis, root canal treatment is needed, and if more tooth tissue is missing, crown restoration should be done at a later stage. After the children have long insect teeth, it is recommended to go to the hospital in time, under the guidance of specialists for standardized treatment, if not treated in time, can lead to pulpitis, periapical periodontitis and other complications.