The reasons for the formation of nasolabial folds (decree lines) 1, skin aging and relaxation, thinning, elastic fibers are reduced, under the action of gravity is elongated, it is undeniable that some people are born with decree lines heavier than others, but in general, after the age of 35 years old, the decree lines will slowly deepen. In addition to the genetic factor, it is mainly caused by the age factor. With age, the collagen and water content in the skin will gradually lose, and subcutaneous fat will shrink and sag, resulting in skin laxity and aging, forming depressions on the surface of the skin, which will give rise to the decree lines (nasolabial folds). 2.Expression is too rich: want to know what kind of expression your lines appear because of? It’s simple. If the lines extend from the side of the nose to the corners of the mouth, it is because you love to smile too much; if the lines extend down from the corners of the mouth, then you may want to review yourself whether you like to purse your lips and skim your lips too much! 3, air pollution, computer and cell phone radiation and irregular daily routine: air pollution, computer and cell phone radiation and irregular daily routine will also accelerate the production of lines, so to solve the problem of how to remove lines to avoid the occurrence of these situations. 4, changes in facial fat metabolism, zygomatic subcutaneous fat pads due to gravity and the repeated movement of the expression muscle sagging displacement. The solution of the decree lines 1, autologous fat filling. 2, Hyaluronic acid injection. 3.Full face face lift.