According to traditional Chinese medicine, numbness and numbness are manifestations of blocked meridians, for example, if we sit cross-legged for too long, the lower limbs will be blocked by qi and blood, and it will be painful; Then, the meridians are blocked, the qi and blood are completely blocked, the legs will be numb, and only by changing the sitting posture can the qi and blood flow be smooth to restore consciousness. When numbness occurs in the limbs, it is necessary to pay attention, especially for patients with high blood pressure, we must pay attention to dredging the meridians in time, which can reduce the probability of stroke.