Unicorn arm generally refers to the upper limbs are thick, fat, girls if you have unicorn arm will affect the aesthetic, if you want to improve the main two methods: First, conservative exercise methods, you can massage the upper limbs to promote blood circulation and lymphatic return of the upper limbs, so that the fat decomposition and metabolism to accelerate the effect can be up to a certain thin upper limbs, but this method is relatively long, the effect of the upper limbs is not very precise. Second, surgery, the main reason for upper limb hypertrophy is relatively too much fat, there are many ways to remove the fat, such as liposuction, fiber optic lipolysis or laser lipolysis, etc., through the instrument or the corresponding method of excess fat out of the body, this method is relatively large damage, but the effect is immediate, the applicant can be fully communicated with the doctor to choose the most suitable for their own removal of fat before the operation.