There are two ways to fill the lines: the first one is hyaluronic acid filling; the second one is human autologous fat transplantation. The price of hyaluronic acid varies greatly from one brand to another due to the different processes. The price is also related to the number of hyaluronic acid used, if the lines are deeper, more small molecule hyaluronic acid and medium molecule hyaluronic acid may be used. Filling with fat also means that fat from other parts of the body, such as the abdomen and thighs, is suctioned and then filled into the bilateral lines, which is equivalent to two procedures, one is fat suction and the other is fat transplantation, and the cost is between 6,000 and 10,000 yuan. The price varies greatly from one doctor to another. It is best to go to a regular medical institution to find a regular doctor to perform the decrescent line filling surgery.