Provided are a manufacturing method of an inkjet print head, the inkjet print head and a drawing apparatus equipped with the inkjet print head. The manufacturing method includes: forming a separation assisting layer on a substrate; forming heating resistors, thin-film transistors and nozzles for ejecting liquid, on the separation assisting layer; separating the separation assisting layer from the substrate; forming a first heat-conductive layer on the opposite surface of the separation assisting layer from the nozzles; and forming an ink supply port for supplying ink to the nozzles from a first heat-conductive layer side of the inkjet print head.