A measurement method includes: determining first information, where the first information includes at least one of the following: a measurement quantity of a cell in which a terminal device is located that is obtained by the terminal device through measurement and information related to a movement velocity of the terminal device, where the measurement quantity indicates at least one of SINR, RSRP, and RSRQ; and determining a measurement periodicity based on the first information and a first correspondence, where the first correspondence indicates that the measurement periodicity is related to at least one of the measurement quantity and the movement velocity.