The present invention is to provide an automatic IP core generation system that can reduce the loads on both an IP core vendor and a user. The present invention provides an automatic IP core generation system that generates an IP core in accordance with parameter information input from a user. The automatic IP core generation system includes: a parameter acquisition unit that acquires the parameter information; a meta IP core information storage unit that stores a meta IP core model as a model for generating various IP cores; a component library information storage unit that stores a component to be used in the IP core and the meta IP core model; an IP core generation unit that generates a package containing the IP core in accordance with the parameter information; and a package output unit that outputs the package.