Buried thread lifting is simple and easy to perform, with remarkable results, and is a sought-after method of micropigmentation by beauty seekers. However, it has two obvious side effects: 1. Infection. 5-10, sometimes even more, protein threads are buried into the face during the procedure. The process of burying the threads may bring bacteria or viruses into the thread channels, and it is possible to cause a full-blown departmental infection. The infection may be localized to the patient and painful, and oral antibiotics may be sufficient. If the infection spreads to the whole body through the blood, antibiotics must be used intravenously.2. Facial localized depression, buried line on the level of the operator requires a high level of technical requirements, different lines should be buried to different levels. And different lines buried to the same level, the effect of facial enhancement will be affected. Different levels will make facial depression, so that the postoperative effect is greatly reduced.