Fuente: Wipo "BigData" The present invention relates to a mobile terminal based platform for emergency calling, risk prewarning, and asking for help by one key. The platform comprises: a daily emergency calling module for a user asking for help to send a message asking for help to other users through the platform and to obtain a response from other users through the platform, and establishing a one-to-one response dialogue between the user asking for help and a user making the response