摘要：【中文】本发明提供一种空调器的控制方法、激光投射控制系统和空调器，所述控制方法包括：红外模组采集到用户手掌张开时，控制所述激光模组投射指定操作按键至所述用户手掌上，并在接收到所述指定操作按键的控制指令时，根据所述控制指令控制所述空调器的运行。本发明可实现在用户的手掌上投射用户预设的按键，用户不需要靠近特定区域，在自己的手掌上操作即可实现控制设备，解决现有技术中投影在特定区域造成操作不便的问题，能够提高用户控制的便利性和舒适性；此外，指定操作按键是用户根据日常习惯设定的常用按键，相比于将所有按键进行投影，更符合用户的实际需求，提升了人机交互体验，更加智能。 【EN】The invention provides a control method of an air conditioner, a laser projection control system and the air conditioner, wherein the control method comprises the following steps: when the infrared module collects that the palm of a user is opened, the laser module is controlled to project an appointed operation key to the palm of the user, and when a control instruction of the appointed operation key is received, the operation of the air conditioner is controlled according to the control instruction. The invention can realize that the keys preset by the user are projected on the palm of the user, the user can realize the control equipment by operating on the palm of the user without approaching to a specific area, the problem of inconvenient operation caused by projection in the specific area in the prior art is solved, and the convenience and comfort of user control can be improved; in addition, appointed operation button is the button commonly used that the user set for according to daily habit, compares in projecting all buttons, more accords with user's actual demand, has promoted human-computer interaction experience, and is more intelligent.