No_intervention: Routine exercise group

The routine exercise care group, that is, the control group, will complete the routine exercise care of patients with acute ischemic stroke after venous hemolytic surgery in accordance with the hospital regulations: From 24 hours after surgery, patients with mild and moderate stroke can be turned over in bed (once every 2 hours), ankle pump exercise (three times a day), and transitional bedside rehabilitation exercise (such as walking around the bed, etc.) after no discomfort.

Experimental: Multicomponent exercise group

Select the corresponding intervention according to the SPPB score:0-3 scores (Plan A) :1. Walking 2.Relax your hand 3.Lift a bottle 4.Leg extensions with an ankle weight 5.Getting up from a chair with help 6.Holding onto the person who helps you 7.Arm stretching 4-6 scores(Plan B):1. Walking 2.Lift a bottle 3.Squeeze a ball 4.pretend to sit 5.Walking on tip toes and heels 6.Arm stretching in a chair 7.Stretch your arms up with your hands clasped;7-9 scores(Plan C):1.Walking 2.Roll-up a small towel 3.Take two plastic bottles filled with 500ml of water 4.Getting up from a chair 5.Walking over obstacles 6.Walking in a figure of eight 7.Leg stretching sit in a chair 8.Arm stretching;10-12 scores( Plan D):1.Walking 2.Twist a towel 3.Lift a bottle 4.Getting up from a chair 5.Going up and down stairs 6.Walking in a figure of eight 7.Walking while touching a balloon 8.Arm stretching;See details at http://vivifrail.com/