If the forehead is too small, flat or even sunken, it will give people a feeling of poor spirit. At this time, forehead filling can be improved very well. Experts from Chengdu Beauty and Plastic Surgery Hospital pointed out that although forehead plastic surgery is a very common facial plastic surgery. However, due to the complexity of facial nerve, surgery still needs doctors' rich experience and advanced instruments as a prerequisite. Therefore, we should carefully choose plastic surgery institutions and don't go to beauty salons without surgical qualifications.