In general, patients may have incisor problems such as misaligned incisors and front teeth pockets, and different incisor problems will have different solutions accordingly. For the correction of incisors, orthodontic appliances such as removable aligners, functional aligners and fixed aligners are generally used. Combining the severity of the teeth, different dental manifestations and different subjective complaints, patients can choose different orthodontic methods and strategies to correct their incisors.