When is the best cure for upper limb swelling after breast cancer surgery? Is everyone suitable to be cured by blood pricking and cupping? (1) Usually the best results are achieved for patients within six months. With the passage of time, skin laxity, accumulation of fat and fibrosis will make the subsequent treatment effect suffer. Therefore, once detected, early treatment is required; (2) finger sunken edema prick blood cupping does not work well. So in this case, how can we prevent it and what should we pay attention to once it occurs and how to do it: (1) elevate or suspend the affected limb for several days immediately after surgery; (2) do massage, stroke back from distal to proximal, or scrape lightly with a gua sha board to promote the return of peripheral lymphatic fluid to the central lymphatic system to achieve the effect of reducing and eliminating edema of the affected limb tissue; (3) sleep at night with the arm (4) pay attention to the arm and upper arm not to be cold, not to shake hands, etc. to make the affected limb droop; (5) not to carry heavy objects; (6) the affected limb not to draw blood, infusion, blood pressure measurement; (7) the affected limb compression, elastic bandage.