Patient-matched orthognathic surgical instrument system and manufacturing method thereof

The invention relates to the field of orthognathic surgical instruments, and discloses a patient matching type orthognathic surgical instrument system and a manufacturing method thereof. The invention discloses a patient matching type orthognathic surgical instrument system which comprises an osteotomy guide plate, a matching type bone fracture plate and a positioning guide plate. The osteotomy guide plate is provided with an osteotomy groove for guiding osteotomy and a third screw hole for fixing the osteotomy guide plate on the jaw bone; the positioning guide plate comprises a first positioning binding surface and a first outer side surface, the first positioning binding surface is in binding positioning with the jaw bone surface, the first outer side surface is opposite to the first positioning binding surface, and the first positioning binding surface is provided with a first positioning area matched with the fixed jaw bone surface and a second positioning area used for being matched with the separated ja