In children with supernumerary teeth, the sooner they are extracted, the better. If the diagnosis of supernumerary teeth is confirmed, they need to be extracted in time so as not to affect the eruption of inherited permanent teeth. If there is no inherited permanent tooth in the radiograph, it can be considered to be retained according to the situation. Extra teeth are also known as extra teeth, that is, extra teeth appear outside the normal tooth row. Typically, there are 20 baby teeth and 28 to 32 permanent teeth. If this range is exceeded, the rest of the teeth are supernumerary. Multiple teeth are usually found in the permanent dentition and are commonly found between the maxillary mesial incisors. Once a supernumerary tooth occurs, it must be extracted as soon as possible to avoid interfering with the eruption of the subsequent teeth and the normal direction of replacement. If they are not extracted as early as possible, the time and financial cost of correcting them will be greater if the teeth are deformed or misaligned later on. It is recommended to go to a regular hospital in time and have the supernumerary teeth extracted as soon as possible.