Chuanzai lines are caused by excessive contraction of the frown muscle and skin laxity, etc. There is no permanent way to eliminate Chuanzai lines, but they can be improved by hyaluronic acid fillers, laser treatments, and electrolysis. 1. Hyaluronic acid filling: ChuanZiLi can be improved by hyaluronic acid filling, injecting hyaluronic acid into the folds and depressions of the ChuanZiLi between the eyebrows to fill in the depressions and improve the ChuanZiLi; however, the effect will disappear with the absorption of hyaluronic acid, and need to be repeated filling. 2. Laser treatment: it is under the action of light and heat to stimulate collagen damage repair and rearrangement, can repair the damaged skin under the supportive tissues, to help remove wrinkles, improve the appearance of ChuanZhiLin. 3. Electrodermabrasion: helps to improve the skin, reduce wrinkles and tighten the skin. The treatment involves placing the electrode plate of the therapeutic effect on the wrinkled part of the face, and the deep heating technology can stimulate the skin to regenerate new collagen, which can instantly improve the wrinkles after the treatment and achieve the effect of promoting the long-lasting regeneration of collagen. There are more ways to improve ChuanZi lines, it is recommended to go to a regular hospital, according to their own situation, under the guidance of a specialized doctor, choose the appropriate way.