The eversion of the ostium is mainly due to the obvious outward protrusion of the external auditory canal of the ear, which is a developmental problem of most people, but it is not necessarily abnormal. So in his case, he can be corrected.

Some people's ears are deformed, and the manifestations of ear deformity are various, including eversion of ear contour, which is rare. If the child has an ear contour valgus, it is mostly caused by congenital factors. Usually this will not hurt people's hearing, but it will affect the appearance, so it needs to be solved. At this time, it is very important to find out the reason.

Extended data:

Skinny, the front surface of the auricle, with its free edge curled forward, is called the helix, starting from the foot of the helix above the external ear door. In front of the helix, the arch parallel to it is called the antihelix, and the groove between them is called the auricle.

The upper end of the pair of helix is bifurcated into a pair of helix (upper and lower) feet. The depression between the feet is called the triangular fossa. The deep recess in front of the helix is called the external ear, which is divided into the upper smaller external ear boat and the lower larger external ear cavity by the foot of the helix. The external ear cavity leads to the external ear door. The small nodule in front of the external auditory canal is called tragus, and the protrusion at the front and lower end of the helix is called tragus.

The depression between the tragus and the opposite tragus is called the notch between the tragus; The depression between the tragus and the foot of the helix is the preauricular notch. The posterior inner side of auricle is slightly swollen, and the depressions and protrusions on the surface slightly correspond to the anterolateral side. The subcutaneous tissue of the posterior medial surface of auricle is slightly loose, and the skin mobility is greater than that of the anterior lateral surface.