1. If it is not very old, use a nose clip, which is the kind used in synchronized swimming. It is said that the effect is very good, but it is best to use it before 16 years old, because at that time, the bones were not hard, soft and still developing, and it was easy to set. This method is cheap and easy to use, but it hurts a little! )

2. Plastic surgery, comprehensive rhinoplasty or rhinoplasty, is the most effective method, but it costs some money, and surgery ... is risky. Postoperative protection seems to be a problem.