Silicone rhinoplasty is suitable for people: those with low nasal tip, short nasal columella and sufficient soft tissue on the back of nose; Advantages: 1 Long maintenance time. 2. One operation is enough. 3. The price is relatively low. Disadvantages: 1 The rest time after operation is longer than that after injection. 2. There are many complications and the effect is not natural enough. 3. The operation is difficult and traumatic. Rest for 7- 10 days after operation. Risk: 1) inflammation; 2) the prosthesis is skewed; 3) Infection and rejection; 4) Skin ulcer of nose