Elevator control method and device and elevator system

The invention is suitable for the technical field of elevators, and provides an elevator control method and device and an elevator system. Comprising the steps of receiving to-be-matched features; if the to-be-matched feature has the first target feature, identifying whether the to-be-matched feature has an accompanying feature corresponding to the first target feature; if the accompanying feature corresponding to the first target feature does not exist in the to-be-matched features, an elevator door of the first elevator is controlled to be kept open, warning information is sent to a first area main control system, and the warning information comprises information of a first target body and current position information of the first target body; the first target body is an object corresponding to the first target feature. Through the method, people can be effectively prevented from being lost. 本申请适用于电梯技术领域，提供了电梯控制方法、装置及电梯系统。包括：接收待匹配特征；若待匹配特征存在第一目标特征，则识别待匹配特征是否存在第一目标特征对应的陪同特征；若待匹配特征中不存在第一目标特征对应的陪同特征，则控制所述第一电梯的