1. A method for mutual communication between processes of a many-core processor, wherein the method is executed by a target kernel, the target kernel corresponds to a target processor core, and the method comprises: acquiring a message header of a message from a quick message channel (QMC); executing a central processing unit (CPU) pre-fetching command according to the message header such that a message body that is in the message stored in a shared memory and corresponds to the message header is loaded to a cache that corresponds to the target processor core; and switching to a target process such that the target process acquires the message body from the cache.