There is no standard time for hemiplegia, and the specific situation should be decided according to the recovery situation. Hemiplegia is a sequela caused by cerebrovascular accident, cerebral infarction, usually manifested as the same side of the arm, torso, legs and feet can not move normally, in the rehabilitation process, the back hook leg is one of the better actions to train the function of the lower limbs. In order to complete the back hook leg movement, the lower limb muscle strength needs to reach a certain ability, and break the hip-knee co-movement pattern, can complete the hip and knee joint separation movement. It also needs to be performed under the guidance of a professional rehabilitator’s assessment so as not to lead to the creation of incorrect patterns. After hemiplegia patients should pay attention to the control of blood pressure, blood lipids, light diet, do not eat spicy and greasy food, regular review, if there is any discomfort in time to consult a doctor, so as not to delay the condition.