A measurement method implemented by a terminal device, wherein the method comprises: receiving a first message sent by an access network device, wherein the first message comprises measurement type information, the measurement type information is used to indicate a type of a first measurement granularity, and the first measurement granularity is one of a cell measurement granularity or a beam measurement granularity, wherein the first message further comprises measurement report configuration information and a measurement identifier, wherein the measurement report configuration information includes reporting manner configuration information, wherein the measurement identifier is used to indicate a correspondence between the measurement object and the measurement report configuration information; and obtaining a measured value of a measurement object corresponding to the measurement type information wherein after the obtaining the measured value of a measurement object, the method further comprises: sending a measurement report to the access network device based on the measurement report configuration information and the measurement identifier, wherein, when the indicated type of the first measurement granularity is the beam measurement granularity, the measurement report comprises the measured value of each of N beams; or the measurement report comprises the combined value, and the combined value is the combined value of the measured values of the N beams; and the measured value of each of the N beams is greater than or equal to a first threshold. receiving a first message sent by an access network device, wherein the first message comprises measurement type information, the measurement type information is used to indicate a type of a first measurement granularity, and the first measurement granularity is one of a cell measurement granularity or a beam measurement granularity, wherein the first message further comprises measurement report configuration information and a measurement identifier, wherein the measurement report configuration information includes reporting manner configuration information, wherein the measurement identifier is used to indicate a correspondence between the measurement object and the measurement report configuration information; and obtaining a measured value of a measurement object corresponding to the measurement type information wherein after the obtaining the measured value of a measurement object, the method further comprises: sending a measurement report to the access network device based on the measurement report configuration information and the measurement identifier, wherein, when the indicated type of the first measurement granularity is the beam measurement granularity, the measurement report comprises the measured value of each of N beams; or the measurement report comprises the combined value, and the combined value is the combined value of the measured values of the N beams; and the measured value of each of the N beams is greater than or equal to a first threshold. sending a measurement report to the access network device based on the measurement report configuration information and the measurement identifier, wherein, when the indicated type of the first measurement granularity is the beam measurement granularity, the measurement report comprises the measured value of each of N beams; or the measurement report comprises the combined value, and the combined value is the combined value of the measured values of the N beams; and the measured value of each of the N beams is greater than or equal to a first threshold.