Stroke patients often have a sequelae of physical dysfunction, the persistent nerve injury is caused by symptoms of vascular obstruction or rupture. Physical function of patients can be recovered through rehabilitation exercise, so rehabilitation exercise is essential to recover the normal life. Nowadays, the effects of the rehabilitation exercise is highly difficult to evaluate, nursing staff is difficult to objectively find the best rehabilitation solution. The related works only used sensing method of Electromyography or Accelerometer. In this study, Electromyography and inertia sensors were used to quantify the rehabilitation status of patients, to find out the best treatment action of upper limb. Try to help patients recover sooner, practice scientific diagnosis of medical physiological information.