PIS data-based method for preventing children from being lost in subway station

The invention relates to the technical field of PIS data application, and particularly relates to a PIS data-based method for preventing children from being lost in a subway station. The PIS data-based method for preventing the children from being lost in the subway station comprises the steps of 1, identifying the children; 2, binding potential parent information around the children; 3, performing information check at an exit to discover that the bound parent information of the children is different, and performing troubleshooting; and 4, if necessary, sending related information to a publicsecurity system. According to the PIS data-based method for preventing the children from being lost in the subway station, the child information is bound with corresponding adults after a PIS system in the subway station is combined and a high-definition face identification system is used for assistance; the child information is checked again at an exit position of a gate machine; and if the matching information is incorr