Adults with medial canthus usually cannot improve it on their own; some children may improve with age. Enophthalmos is also a common hereditary condition. About one-third of Chinese children have different degrees of medial canthus, but the condition may improve with age and the development of the nose. There is a difference between congenital and acquired medial canthus. Severe congenital medial canthus is often associated with ptosis, ptosis and other deformities. Acquired medial canthus is mostly caused by trauma, burns, etc. It is mostly unilateral and often accompanied by adjacent tissue injuries, such as injury to the lacrimal duct and injury to the ligament of the medial canthus. Generally, it can be improved by surgery such as canthus excision. The appearance of the inner canthus, it is recommended to go to the regular hospital, follow the doctor’s instructions for further examination, and ask the doctor to carry out targeted treatment or treatment.