Liposuction of the arms can create a slim arm, which is a more popular surgical procedure with better post-operative results and is favored by many women. However, improper liposuction also has some risks, including the following: 1, skin ecchymosis: related to bleeding caused by too shallow levels of fat extraction or improper operation, doctors must regulate the operation to avoid this undesirable situation; 2, skin wrinkling and surface unevenness: related to uneven liposuction and skin laxity, physicians need to strictly follow the liposuction operation protocol, and post-operative pressure wrapping and shaping to help skin flattening; 3 3.Wound and liposuction area infection: poor disinfection and untimely treatment of hematoma in the operation area can cause infection, and strong antibiotics need to be applied in time to avoid aggravating infection; 4.skin necrosis: if too much fat is removed, it will easily lead to skin laxity and ugly appearance, and in serious cases, it will also cause skin necrosis, which requires skin implantation to repair; 5.nerve injury: if the operation process is too rude and fails to protect the normal parts, there is cause the risk of nerve damage, which can lead to abnormal skin sensation and muscle weakness, etc. However, liposuction surgery has been internationally recognized as a mature surgical procedure. As long as you enter a regular plastic surgery hospital and find an experienced doctor, you can minimize the risk of surgery.