Injection rhinoplasty is safer than prosthesis rhinoplasty, because it is injection and no operation is needed. If you want to pay attention to anything, you'd better listen to the doctor. I know that Beijing Yi/Mei/Er Happiness Hospital is a good plastic surgery hospital. Plastic surgery is characterized by injection and surgical plastic surgery. You can go to Beijing Yi/Mei/Er Happiness Hospital through Baidu search to get your questions answered.