Inter-task message communicating method in equipment

The present invention relates to an intertask message communication method in an equipment. The method comprises the procedures that each task participating in communication is registered a message receiving and transmitting channel corresponding to the task itself and an own message receiving type; each goal task receives message sent by one or more than one originating task (tasks) through the message receiving and transmitting channel registered. By adopting the intertask message communication method in a computing device of the present invention, one task can send message to another task, one task can also send message to a plurality of tasks, and thus the functions of a specified target message communication and a broadcast message communication between the tasks can be provided.