Insufficient blood supply of vertebral basilar artery can belong to the category of Chinese medicine “dizziness”, “headache” and other diseases, standing drugs can be selected according to the patient’s condition, such as blood circulation capsule, nourish blood and clear brain particles and so on. The capsule has the efficacy of breaking blood stasis, clearing the veins and relieving pain. It is used for stroke, hemiplegia (one side of the limbs can not move freely), mass in the abdomen (women have lumps in the lower abdomen), lumps (lumps), blood stasis and menstrual closure, bruises and injuries. Nourishing Blood and Clearing the Brain Granules has the effects of nourishing blood and calming the liver (calming the liver wind by replenishing liver blood), activating blood and clearing collaterals. It is used for headache, dizziness and blurred vision caused by blood deficiency and liver exuberance, irritability and insomnia. It is recommended that patients with vertebral basilar artery blood supply insufficiency should not blindly take medication, and consult a doctor in a timely manner to clarify the cause of the disease and then carry out appropriate treatment under the guidance of the doctor.