The present invention discloses a scheduling method in a code division multiple access system and single-mode chips, which method comprises the following steps: a single-mode chip of a terminal respectively calculating a paging slot and a paging frequency point of two subscribers with different international mobile subscriber identities of this terminal; doubling the length of a current paging period of each subscriber in the situation that the paging slots are the same and the paging frequency points are different; and scheduling two subscribers to monitor alternately within the extended paging period. The present invention facilitates the achievement of double treats in the CDMA system.