Nasal septal cartilage is hyaline cartilage with hard texture and straight appearance. It is dominant in shaping and fixing, and the supporting effect is obvious. However, after finishing this project, it is still necessary to do a good job of nursing, protect the nose from collision, and try to choose a lying posture when sleeping, so as not to oppress the nose. Keep enough rest time after operation, and don't do strenuous exercise in a short time. If there is infection and inflammation in the nose, you should also go to a professional hospital for relevant examination and symptomatic treatment in time.