Hello, fat-dissolving needles are mostly used in partial weight loss, such as face or double chin, and multiple injections are adopted. According to related research, injecting liposuction needle will affect the normal circulation system of the body and is risky. At present, it has not been approved by the US Food and Drug Administration in China, so please choose carefully. Consider liposuction to lose weight. It is recommended to go to a regular hospital and choose an experienced doctor for face-to-face consultation.