A system and a method for detecting passenger movement, an elevator-calling control method, a readable storage medium and an elevator system are provided by the present disclosure. The system for detecting passenger movement includes: a Bluetooth matrix installed in an elevator landing area, the Bluetooth matrix including at least three Bluetooth modules, and each of the Bluetooth modules being configured to broadcast a Bluetooth signal to the elevator landing area respectively; wherein the system for detecting passenger movement acquires location information of a passenger carrying a personal mobile terminal by using Bluetooth signals broadcast by at least three Bluetooth modules; the system for detecting passenger movement further includes: a movement prediction unit configured to fit a movement trajectory of the passenger in the elevator landing area based on multiple sets of the location information, and predict the movement trajectory to be a calling trajectory or a non-calling trajectory.