Suprasellar germ cell tumor is malignant tumor, belongs to cancer, common in children, surgery is difficult, after surgery should be routine radiotherapy. Tumors are divided into benign tumors and malignant tumors, malignant tumors are called cancers, and suprasellar germ cell tumors are intracranial germ cell tumors, which are common in children and belong to malignant tumors. Typical clinical symptoms are increased intracranial pressure and abnormal sexual development. Saddle germ cell tumor is difficult to operate and there are many postoperative complications. Postoperative radiotherapy should be used routinely to prevent tumor metastasis. If there are symptoms such as vision loss, growth retardation, vomiting, headache, etc., one should consult a doctor in time. If there is a suspicion of suprasellar germ cell tumor, it is necessary to carry out cerebrospinal fluid examination and MRI and CT examination of the head and neck.