Air Mouse Mode Implementation Method and Related Device

An air mouse mode implementation method and a related device are provided. The method includes: An electronic device establishes a communication connection to a stylus through Bluetooth (S301); sends notification information to the stylus through the communication connection when detecting a screen casting event of the electronic device, where the notification information is used to indicate whether the stylus is to enter an air mouse mode (S302); receives a determining instruction sent by the stylus through the communication connection (S303); and enters the air mouse mode based on the determining instruction, and modifies, from an arrow icon to a dot icon, an indication icon corresponding to the stylus (S304). According to this method, operation convenience can be improved.