There are many causes of head drowsiness, common causes, mainly the following: 1, cerebral atherosclerosis, the disease is mostly seen in middle-aged and elderly patients with hypertension, diabetes, hyperlipidemia and other underlying diseases, mainly manifested as head drowsiness, memory loss, inattention and other clinical manifestations, its treatment in addition to active control of underlying diseases, but also the application of ginkgo biloba, Cipro and other drugs to improve brain circulation. 2, iron deficiency anemia, the disease is due to a decrease in peripheral blood red blood cells, resulting in the body’s oxygen-carrying capacity, mainly manifested as pale face, head drowsiness, mental lethargy, limb weakness and other clinical symptoms, taking ferrous sulfate can be symptomatic treatment. 3, neurasthenia, the disease is mostly seen in patients who are overworked, mental stress, often stay up late, with a variety of clinical manifestations, mainly sleep disorders, head drowsiness, memory loss, Head drowsiness, memory loss and other symptoms, taking glutathione, acetic acid and other drugs to regulate the disorder of the plant nerves can improve the symptoms.