Children with protruding incisors after tooth replacement can be treated by correcting bad habits, treating nasopharyngeal diseases, and cosmetic dentistry. 1. Correcting bad habits: Children may have some bad habits, such as mouth breathing, biting the lower lip, sucking the thumb, etc. These will lead to protruding incisors, and may affect facial development if not corrected in time. If children are found to have bad habits, timely intervention and correction will improve the symptoms of protruding incisors. 2. Treatment of nasopharyngeal diseases: Inflammation of the nasopharynx or enlarged turbinates may cause children to breathe through their mouths, resulting in protruding incisors, and timely treatment of nasopharyngeal diseases is needed to improve the symptoms of protruding incisors. 3. Dental plastic surgery: Excluding the case of uneven teeth or temporary protrusion during the replacement teeth period, dental plastic surgery methods such as wearing braces or orthodontic treatment can effectively improve the symptoms of protruding incisors. It is recommended that patients go to the hospital in a timely manner, under the guidance of the doctor to standardize the treatment.