A method for decentralized transportation dispatching is disclosed. The method bypasses utilizing a centralized dispatch call center and includes announcing a transportation requirement via broadcasting directly by at least one user, and replying to the transportation requirement with a plurality of competitive bidding information directly from a plurality of transportation providers who are capable of providing a passenger-carrying service or providing a goods-carrying service. The method further includes selecting one transportation provider from the transportation providers according to a request from the user, in which the selecting is performed through referencing the bidding information replied to by the transportation providers.