Preventing hyperplasia after rhinoplasty is mainly carried out in two aspects: daily care and medication. 1. Daily care: After surgery, you need to do a good job of wound cleaning and care, and at the same time, pay attention to avoid spicy, fried, greasy, seafood, tobacco and alcohol and other stimulating foods. 2. Medication: After rhinoplasty, patients can follow the doctor’s instructions to use drugs such as cumulonimbus to prevent hyperplasia. If there is no incision on the outside of the patient’s nose, but there may be hyperplasia on the inside, therefore, it is necessary to actively use the drugs for removing scars and infiltrate the drugs into it, so as to achieve the purpose of preventing hyperplasia. If necessary, tretinoin can be used for injection. The daily care of rhinoplasty to prevent hyperplasia is very important, and the drug should be used according to the doctor’s prescription, and should not be used indiscriminately, so as not to cause adverse consequences.