The cause of invasive pituitary tumor is still unclear, and it may be caused by gene mutation, family inheritance, and disorders of hypothalamic-regulated hormones. Aggressive pituitary tumor is a pituitary tumor that grows through the peritoneum and invades intracranial tissues such as skull, dura mater, internal carotid artery, etc. The cause of the disease is not completely clear. The cause of this disease is not fully understood. The development of invasive pituitary tumors in patients may be due to the genetic mutation of cells, resulting in the continuous proliferation of abnormal cells. In addition, the presence of aggressive pituitary tumors in patients is also considered to be due to a family history of the disease. In addition, patients with hypothalamic hormonal disorders can lead to localized cellular abnormalities, which may induce invasive pituitary tumors. It is recommended that patients with invasive pituitary tumor need to seek medical treatment in time and under the guidance of the doctor, so as to avoid delaying the condition and causing serious consequences.