Embodiments of the present disclosure disclose a message processing method and system, and a related device, where the method may include: when a wearable device and user equipment are in a connected state, if the user equipment receives a new message, determining, by the user equipment, information about a distance between the user equipment and the wearable device, or determining power information of a transmit signal of the user equipment; and determining, according to the determined distance information or power information, that a processing manner for the new message is any one or more of the following processing manners: a first message processing manner, a second message processing manner, or a third message processing manner.