Rapid focusing method for projector, projector and storage medium

The invention discloses a rapid focusing method for a projector, the projector and a storage medium, the projector comprises a main control circuit and an auxiliary control circuit, the rapid focusing method comprises the following steps: in response to a signal that the projector starts a projection picture, the main control circuit generates an instruction for loading an operating system; and before the instruction for loading the operating system is generated or in the process of loading the operating system, generating a focusing operation instruction for indicating the auxiliary control circuit to execute focusing operation. According to the invention, the startup focusing process of the projector can be accelerated, and the user experience is improved. 本发明公开了一种用于投影仪的快速对焦方法、投影仪和存储介质，所述投影仪包括主控电路及辅助控制电路，所述快速对焦方法包括：响应于投影仪启动投影画面的信号，所述主控电路生成加载操作系统的指令；以及在生成所述加载操作系统的指令之前或在加载所述操作系统的过程中，生成用于指示所述辅助控制电路执行对焦操作的对焦操作指令。本发明能够加快投影仪的开机对焦进程，提升用户体验。