Flat nose generally means that the bridge of the nose is relatively flat, if it is a child’s flat nose, you can not need special treatment, the flat bridge of the nose of adults can be improved through the prosthesis filler or autologous cartilage filler and other methods. If it is a child’s flat nose, because the body has not yet developed and fixed, with the development of the body, the flat nose may also be gradually improved, so there is no need for special treatment. If it is an adult with flat nose, it can only be solved by surgery. 1. Prosthetic filler: the commonly used materials for prosthetic filler include silicone prosthesis and expanded prosthesis, etc. During the operation, the doctor will choose the suitable prosthetic material and fill it into the suitable position of the nose, so as to make the bridge of the nose become straight. 2. Autologous cartilage filling: Autologous cartilage filling is to use your own rib cartilage tissue as the material to fill in the bridge of the nose, so as to make the bridge of the nose higher and improve the appearance of the nose. Adults who undergo the surgery must look for a regular and qualified hospital to perform the procedure, as the effect and safety are usually more guaranteed.