Provided in the embodiment of the present invention is a resource scheduling method, comprising: terminal equipment receiving broadcast information sent by a base station, the broadcast information carrying information about a random access resource, information about a random access response resource and information about uplink data channel resource; the terminal equipment sending a random access message to the base station on the random access resource; the terminal equipment receiving a random access response message sent by the base station on the random access response resource, and selecting the uplink data channel resource according to the random access response message; and the terminal equipment sending uplink data to the base station on the uplink data channel resource. Also provided in the embodiment of the present invention are a resource scheduling apparatus and system. The adoption of the embodiment of the present invention brings such advantages that the technical complexity of resource scheduling can be reduced, the cost and power consumption of Internet of Things terminals are lowered, the applicability of resource scheduling is increased and the users stickiness of Internet of Things terminals is improved.