Kidney-Yang deficiency can lead to insufficient blood supply to the brain. Patients with kidney yang deficiency can experience insufficient blood supply to the brain. According to Chinese medicine, the kidneys store essence, and long-term kidney yang deficiency will cause insufficient essence in the kidneys and loss of nourishment of the medulla oblongata, leading to insufficient blood supply to the brain, and symptoms such as dizziness, headache, palpitations (rapid heartbeat, often accompanied by panic attacks), fatigue, and forgetfulness. In addition, it is accompanied by lumbar and knee soreness (a feeling of soreness and weakness in the waist and knees), long and clear urination, and fear of cold. Patients with cerebral blood supply insufficiency caused by kidney yang deficiency are advised to go to regular hospitals for timely consultation and treatment under the guidance of professional physicians, and not to take medication on their own to avoid adverse consequences.