The disclosure is directed to a method of controlling a heterogeneous network and related apparatuses using the same method. In one of the exemplary embodiments, the disclosure is directed to a method controlling a heterogeneous network applicable to a base station, the method includes not limited to: transmitting a first configuration message comprising a measurement and report rule (MRR) which comprises a first measuring interval, a second measuring interval, a first reporting interval, and a second reporting interval for receiving a measurement report of a channel of an unlicensed spectrum; receiving the measurement report of the channel of the unlicensed spectrum after transmitting the first configuration message; and transmitting a second configuration message to update the MRR.