Fat-dissolving needle is the safest and most effective non-surgical local fat reduction method at present. Suitable for small area partial weight loss, such as face, limbs and other parts, and can be punched from eyelid to abdomen. The method is to inject the fat-dissolving agent of the fat-dissolving needle into the subcutaneous tissue of the weight-losing part. At present, the more reliable liposuction needles are Korean imperial concubine needle, Baoping Li, Li Baoluo and so on. The imperial concubine needle has the lowest pain and is the first choice for many women.