ChuanZi lines are caused by skin folds due to skin aging and long-term frowning and other actions, there is no most effective way to remove, generally can be improved by injecting hyaluronic acid, injection of botulinum toxin and other ways to improve. 1. Hyaluronic acid injection: By injecting hyaluronic acid to fill the sunken areas of the skin caused by the wrinkles, the skin can be leveled out again, and it is necessary to pay attention to not rubbing with the hand after filling, so as not to cause infection and displacement of the filler. 2. Botulinum toxin injection: Botulinum toxin injection can relax the frowning muscles, and can also effectively improve the dynamic wrinkles. Generally there is no impact on life, if patients have the need for improvement due to the aesthetic impact, they can go to the plastic surgery department of a regular medical institution and choose the appropriate treatment under the advice of a professional physician.