The invention discloses an internal gearing type postoperative
breast cancer rehabilitation training device and a using method. The
rehabilitation training device comprises a
drawing board, a sun wheel, a telescopic
crank, a resistance adjusting bolt, a rotary holding rod, a fixing bolt and a gear replacement module, wherein the gear replacement module comprises a
planet wheel I, a center shaft, aplanet wheel II, a U-shaped transmission bar, a connecting rod, a
brush, a spring, a tightening bolt I and a tightening bolt II; the
drawing board is fixed on a vertical wall; a center hole of the
drawing board is connected with one end of the telescopic
crank by virtue of a hinge; the other end of the telescopic
crank is connected with the connecting rod of the gear replacement module; the
planet wheel I and the
planet wheel II in the gear replacement module are simultaneously meshed with the sun wheel; and the sun wheel is fixed on the drawing board. A patient uses the
rehabilitation training device disclosed by the invention to drive the arm on the operation side to make an irregular arc track motion, so that lymphatic fluid reflows, and
postoperative rehabilitation of the
breast cancer patients is promoted.