Craniopharyngioma is a common tumor of embryonic remnant tissue that develops from the epithelial cells of the remnants of the craniopharyngeal duct formed in the ectoderm, and is the most common intracranial congenital tumor. It is the second most common tumor in the saddle area and is slightly less common than pituitary tumors. It is more common in children and less common in adults. It is more common in the suprasellar region and accounts for 5-7% of all intracranial tumors and 12-13% of intracranial tumors in children. It is reported that the largest number of tumors develops at the age of 15, the oldest age is 56, and the youngest age is 1 year and 3 months. The ratio of male to female is 2:1. Symptoms and signs 1. Endocrine dysfunction Hypopituitarism, sexual dysfunction and dwarfism are more common; the upward development of tumor compressing hypothalamus may cause hypothalamic syndrome, precocious puberty or neurogenic amenorrhea, overflow-amenorrhea syndrome, cortisolism, hyper- or hypothyroidism, acromegaly, gigantism, dwarfism, uremia, polyphagia, obesity or anorexia, and hypothermia. Fever or hypothermia, drowsiness or insomnia, some may have mental excitement, hallucinations and disorientation. 2, intracranial pressure increase syndrome headache, nausea, vomiting, impaired consciousness, drowsiness. Children may show hydrocephalus. 3.Symptoms of optic nerve compression Gradual loss of vision, partial blindness, and blindness over time. 4.Other symptoms: headache, facial hypesthesia, mild hemiparesis.