1. The advantages of artificial ear are clean and convenient, while the disadvantages include the possibility of local infection, oxidative fading of materials and easy falling off after strenuous exercise. In addition, the prosthetic ear is made of silica gel, which needs to be replaced regularly, which is a great economic burden for some patients.

2. The advantage of external ear reconstruction is that it can obviously improve auricle loss and auricle deformity, which is helpful to improve facial deformity, and the color of reconstructed ear is basically the same as that of normal ear. In addition, for some patients, external ear reconstruction can also improve hearing. However, the disadvantage of external ear reconstruction is that the operation is difficult and the technical requirements for doctors are high.