Injection control method, device, system and medium

The invention discloses an injection control method, device and system and a medium. The method comprises the steps that a target image is obtained according to identity information of an injection object; determining a position needing to be injected according to the target image, and recording the position as a target position; determining an injection needle type, injection pressure and injection duration according to the target position; selecting a corresponding injection needle according to the type of the injection needle, and marking the injection needle as a target injection needle; and controlling the target injection needle to complete injection according to the injection pressure and the injection duration. According to the method, the target image is acquired according to the identity information of the injection object, and the injection needle, the injection pressure and the injection duration required by the injection mechanism are determined by using the identification information in the targ