A method for providing a mobile alert service, comprising: A-receiving, by a mobile terminal, an enhanced Commercial Mobile Alert Service, CMAS, message from a CMAS network, wherein the enhanced CMAS message is structured by adding following three fields successively at the end of a conventional CMAS message: an identification field of a mobile television, a length field of a data package of play parameters for an alert channel of the mobile television, and the data package of play parameters for the alert channel of the mobile television; determining, based on the identification field of the mobile television, whether play parameters for the alert channel of the mobile television are contained in the enhanced CMAS message; if it is determined that the play parameters required for playing the alert channel of the mobile television are contained in the enhanced CMAS message, determining whether a mobile television function is supported by the mobile terminal; if the play parameters required for playing the alert channel of the mobile television are contained in the enhanced CMAS message and if the mobile television function is supported by the mobile terminal, obtaining the data package of play parameters for the alert channel of the mobile television based on said length field; parsing, from the data package of play parameters for the alert channel of the mobile television, the play parameters required for playing the alert channel of the mobile television; and locating the alert channel based on the play parameters for the alert channel of the mobile television, and playing the alert program content on the alert channel. A-receiving, by a mobile terminal, an enhanced Commercial Mobile Alert Service, CMAS, message from a CMAS network, wherein the enhanced CMAS message is structured by adding following three fields successively at the end of a conventional CMAS message: an identification field of a mobile television, a length field of a data package of play parameters for an alert channel of the mobile television, and the data package of play parameters for the alert channel of the mobile television; determining, based on the identification field of the mobile television, whether play parameters for the alert channel of the mobile television are contained in the enhanced CMAS message; if it is determined that the play parameters required for playing the alert channel of the mobile television are contained in the enhanced CMAS message, determining whether a mobile television function is supported by the mobile terminal; if the play parameters required for playing the alert channel of the mobile television are contained in the enhanced CMAS message and if the mobile television function is supported by the mobile terminal, obtaining the data package of play parameters for the alert channel of the mobile television based on said length field; parsing, from the data package of play parameters for the alert channel of the mobile television, the play parameters required for playing the alert channel of the mobile television; and locating the alert channel based on the play parameters for the alert channel of the mobile television, and playing the alert program content on the alert channel.