The causes of nasal tip enlargement after rhinoplasty include nasal tip prosthesis filling, postoperative edema or nasal tip growth, as follows: 1, when rhinoplasty, if the nasal tip is small, filling through the nasal tip prosthesis can lead to nasal tip enlargement, which is normal aesthetic correction; 2, when rhinoplasty, surgical trauma can lead to local tissue congestion and edema, nasal tip enlargement, after edema gradually subsides, the nasal tip can return to normal; 3, after rhinoplasty, if abnormal nasal tissue growth occurs, it can lead to gradual nasal tip enlargement.