A method for preparing bones of cerebral cranium, including: a) selecting polyetheretherketone (PEEK) as a raw material according to data obtained by computed tomography (CT) of a patient b) heating the PEEK material in a heating device to reach a softening point of 260°±10° c) hot pressing the heated PEEK material obtained in step b) in a forming die, cooling and shaping the PEEK material to yield a blank d) curing the blank, and placing the blank in a thermostat for removal of internal stress and resilience e) removing surface crystals and impurities of the blank resulting from the hot pressing f) mechanically processing the blank according to the CT data of the patient to yield a product having desired size and shape and g) washing, disinfecting, and packaging the product.
