It is possible to have hemiplegia after cardiac bypass, which is mostly caused by cerebral infarction due to embolus dislodgement and blockage of cerebral blood vessels, and can be treated with medication, physical therapy, occupational therapy and rehabilitation therapy under the guidance of doctors. 1. Medication: Repairing damaged brain cells and microvessels in the brain through medication increases the nutrition of damaged brain tissues and helps brain tissues to be repaired. In addition to medication, early rehabilitation therapy is also necessary. 2. Physical therapy: including electric stimulation therapy, electronic biofeedback therapy, joint mobility training, muscle strength training, gait training and so on. 3. Occupational therapy: including some basic movement training in daily life, movement training in basic labor and craft labor movement training. 4. Chinese medicine rehabilitation therapy: including acupuncture, massage and herbal fumigation, phototherapy, wax therapy, etc. For hemiplegia after cardiac bypass, it is recommended to go to a regular hospital and follow the doctor’s instructions.