Hairy cell astrocytoma is a kind of brain glioma, which is a malignant tumor, but it is of low malignancy, with a good prognosis and not easy to recur. Hairy cell astrocytoma belongs to grade I glioma. Glioma is an intracranial tumor originated from glial cells, and it is also a common primary intracranial tumor, which is malignant, but its degree of malignancy is low, so the prognosis is relatively good, and it is not easy to recur. Once diagnosed, timely surgical resection is needed, and postoperative treatment is combined with chemoradiotherapy. However, a small number of patients will have recurrence after surgery, and may also have various sequelae, such as headache, partial seizure, visual impairment, speech impairment, etc.. However, for most patients, standardized treatment can cure them. For patients with malignant hairy cell astrocytoma, it is recommended to keep a good mindset and actively cooperate with doctors for standardized treatment, so as to avoid delaying the condition, which is detrimental to their health.