method for automatically switching and muting a mobile phone

The invention discloses a method for automatically switching a mobile phone to be mute, which comprises the following steps of: A, receiving a conference room positioning instruction of a user in advance, positioning an office place by the mobile phone through a GPS (Global Positioning System) in advance, and accurately positioning the position of a conference room by utilizing a WiFi (Wireless Fidelity) network in an office space; B, periodically acquiring the position coordinates of the mobile phone, comparing the position coordinates with the position coordinates of the conference room, andif the position coordinates are consistent with the position coordinates of the conference room, executing the step C; C, starting a sound pick-up to obtain audio information, analyzing the audio information and judging whether the audio belongs to the user or not, and if not, executing the step D; and D, calling the mute control parameters of the mobile phone to control the mobile phone to be switched into a mute mode.