Embodiments of the present application provide an information sharing method, a wireless communication method, and apparatuses thereof. The information sharing method comprises: determining information related to a channel state of at least one channel between a first device and an access point device; and sending the information to at least one second device located within a preset distance range of the first device. The methods and apparatuses of the embodiments of the present application share information related to a channel state according to adjacent relationship between devices, so as to be conducive to determining the channel state in a low complexity and low power consumption, thereby performing wireless communication in a short delay.