The symptoms of chordoma can be divided into the following major categories: 1. High cranial pressure symptoms. Because of the growth of the tumor, the large size of the tumor compresses the normal brain tissue, causing the increase of intracranial pressure, which manifests as nausea, vomiting, headache, etc. 2. Neurological compression symptoms. Because the tumor grows, wraps or compresses the brain nerve, causing dysfunction or deficiency. For example, if the tumor presses on the nerve of the moving eye and the abducens nerve, it will cause eye movement disorders and visual field defects; if it presses on the optic nerve, it will cause vision loss; if it presses on the eustachian tube, it will cause hearing loss. 3. Tumor growth. If the pituitary gland or pituitary stalk is compressed, it will cause low or high pituitary hormone, and low or high hormone symptoms will appear, which will be manifested as weakness, mental discomfort, mental depression, menopause, lactation, decreased sexual function, etc.