Trend reasoning depth knowledge tracking method and system

The invention provides a trend reasoning depth knowledge tracking method and system, and the method comprises the steps: obtaining a historical practice interaction sequence of a target object, and the historical practice interaction sequence is used for representing the answering conditions of different exercises at different time nodes; and inputting the historical practice interaction sequence into a trend reasoning model to obtain a knowledge change vector of the target object, the knowledge change vector being used for representing a knowledge change process of the target object, the trend reasoning model is constructed by game playing based on pseudo interaction information generated by the historical practice interaction sequence and real interaction information corresponding to the historical practice interaction sequence; and predicting the knowledge state of the target object for the target exercise according to the knowledge change vector, the exercise vector corresponding to the historical exercis