Injection molding control method of injection molding device

The invention provides an injection molding control method of an injection molding device. The injection molding control method comprises the following specific steps of: (1) injecting first-color liquid plastic into a first cavity through a first hot runner device to form a first-color workpiece; (2) after the first-color workpiece is formed, opening a lower die holder to move downwards and drive a first lateral core-pulling mechanism to be opened; (3) after the first lateral core-pulling mechanism is opened, rotating the lower die holder; (4) closing the lower die holder and an upper die holder; (5) after mold closing is completed, injecting second-color liquid plastic into a second cavity through a second hot runner device to form a second-color workpiece; (6) after the second-color workpiece is formed, opening the lower die holder, and ejecting out the second-color workpiece; (7) after the second-color workpiece is ejected out, rotating the lower die holder by 180 degrees so that the formed first-color wo