Slender fingers do not necessarily mean that it is Mafontaine syndrome, Mafontaine syndrome will have the manifestation of slender fingers, but slender fingers may also be due to other factors. Equine syndrome, also known as equine syndrome, is an autosomal dominant genetic disorder with obvious family clustering. Equine syndrome mainly accumulates lesions in the connective tissues of the whole body, such as the cardiovascular, neurological, and musculoskeletal areas. When the disease accumulates in the limbs or trunk, abnormal height increase, elongated limbs, and asymmetry between the trunk and limbs can occur. However, long and thin fingers are not necessarily caused by Malfonte syndrome. For example, some people are affected by genetic factors and are born with long and thin fingers but do not have any disease; some other patients may suffer from malnutrition or other diseases that cause atrophy of soft tissues in various parts of the fingers, and may also have symptoms that make their fingers look relatively long and thin. In order to detect Mafontaine syndrome in time, it is recommended to have regular medical checkups and early formal treatment after discovery.