Liposuction of the arm can create a slim arm, is currently a more popular form of surgery, the postoperative effect is better, favored by many women. However, there are some risks associated with inappropriate liposuction, including the following: 1, skin ecchymosis: too shallow or improper operation of the fat level of suction caused by bleeding, the doctor must standardize the operation in order to avoid this undesirable situation; 2, skin wrinkles, surface unevenness: unevenness of the liposuction and skin laxity related to the physician needs to strictly follow the liposuction operating procedures, postoperative compression bandage shaping, which will help the skin to be flat; 3, wound and infection of the liposuction area: poor disinfection and hematoma in the operated area, which will help the skin to be flat. Infection of wound and liposuction area: Inadequate sterilization and untimely treatment of hematoma in the operation area will cause infection, and strong antibiotics should be applied in time to avoid aggravating the 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 lead to skin necrosis, which can be repaired with skin grafting; 5. Nerve injury: If the operation process is too rough, and it fails to protect the normal parts, it will lead to nerve injury, which will cause the risk of nerve injury and will be very serious. Nerve damage: If the operation process is too rough and fails to protect the normal parts, there is a risk of nerve damage, which will lead to abnormal skin sensation, muscle weakness, and so on. At present, liposuction surgery has been internationally recognized as a mature surgical procedure. As long as you go to a regular plastic surgery hospital to find an experienced doctor, you can minimize the risk of surgery and get satisfactory results.