Subjects who are recruited into this group are asked to take the Ruyizhenbao Pill on the basis of routine internal medicine and rehabilitation treatment.

P.S. Ruyizhenbao Pills are provided by Jinhe Tibetan Pharmaceutical Co., Ltd. Chinese national medicine permission number:Z63020289、Z63020064. Medication method: oral 4 pills once, twice a day, 4 weeks in a row.

Subjects who are recruited into this group are asked to take the placebo of Ruyizhenbao Pill on the basis of routine internal medicine and rehabilitation treatment.

P.S. Placebo is provided by Jinhe Tibetan Pharmaceutical Co., Ltd.，which is made of malt dextrin as a matrix, similar shape and same color to the Ruyizhenbao Pill. Medication method: oral 4 pills once, twice a day, 4 weeks in a row.

Ruyizhenbao Pills are provided by Jinhe Tibetan Pharmaceutical Co., Ltd. Chinese national medicine permission number:Z63020289、Z63020064. Medication method: oral 4 pills once, twice a day, 4 weeks in a row.

Using Simplified Fugl-Meyer motion function assessment method to assess the motor function of affected side.The total score of Fugl-Meyer motor function assessment scale is 100 points，50 items intotal with 2 points each. Accordding to the quality of mission completion，evaluater mark score of "0","1",2".Among them, 33 items are evaluated for upper limbs, with a total score of 66 points. And 17 items are evaluated for lower limbs,with a total score of 34 points.The higher the scores, the better motor function.If the total score is less than 50, it means severe dyskinesia.If the total score is between 50-84, it means obvious movement disorder.If the total score is between 85-95, it means moderate dyskinesia.If the total score is between 96-100, it means mild dyskinesia.

Using Simplified Fugl-Meyer sensory function assessment scale to assess the sensory function of affected side,which includes light touch and proprioception. Light touch includes 4 parts, which are respectively upper arm, palm, thigh, foot. Proprioception includes 7 parts,which are respectively shoulder, elbow, wrist, thumb, knee, ankle, toe joint. The total score of each part is 2,the total scores of this scale is 22."0" score means no feeling，"1" score means feeling allergic or diminished，"2"scores means normal feeling.The sum of the scores of each part is the total score. The higher the total scores,the better the sensory function.

Using Modified Barthel Index to assess the activity of daily living. TheMBI scale includes 11 items with total scores of 100. Evaluation is based on the actual situation of the patient.The sum of the scores of each item is the total score,and the lowest score is"0",the highest scores is"100".If the scores is between 0-20 points,it means extremely severe dysfunction.If the scores is between 25-45 points,it means severe dysfunction.If the scores is between 50-70 points it means moderate functional defects.If the scores is between 75-95 points,it means mild functional defects.If the scores is 100 points,it means ADL self-care.The higher the total scores,the better the ADL.