Forehead needle lines can be removed by Botox injection, hyaluronic acid injection, radiofrequency treatment, surgical treatment and other methods. 1. Botulinum toxin injection: Botulinum toxin injection can help patients get rid of needle lines on forehead, its principle is mainly through interfering with the neuromuscular junction conduction to help improve the excessive contraction of muscles in the forehead area, so as to make the excessively tense muscles between the eyebrows relax, to improve the effect of needle lines on forehead. 2. Hyaluronic acid injection: Hyaluronic acid is the main component of hyaluronic acid, which has good water-absorbing efficiency and can absorb water from the surface and deep layers of the skin, thus relieving many kinds of wrinkles on the face. Therefore, hyaluronic acid can be injected into the forehead area where the needle lines are located, which can help patients to effectively improve the forehead needle lines. 3. Radiofrequency treatment: The main principle of radiofrequency treatment is that the high-frequency electromagnetic wave in radiofrequency acts on the dermis layer of the skin, thus effectively stimulating the dermis collagen proliferation, helping patients to fill the local skin depressions, and improving many kinds of facial wrinkles. In addition, the heat conduction produced by radiofrequency treatment also has a similar effect, which can help patients effectively improve the forehead hanging needle lines. 4. Surgery: For patients with serious forehead wrinkles, surgical treatments such as interbrow wrinkle removal can also be used to help eliminate forehead wrinkles, with better results. It should be noted that patients are advised to go to regular hospitals for the above operations to avoid the occurrence of adverse reactions.