Fraud number identification method and system based on historical call circle

The invention provides a fraud number identification method and system based on a historical call circle, electronic equipment and a storage medium to solve the problems that an existing model is not detected in time and the coverage rate of a case involved in the model is low, and the method comprises the following steps: determining whether each sample number has a preset abnormal behavior based on historical call data; the number with the preset abnormal behavior is delimited as a to-be-observed user group, and the to-be-observed user group comprises a black sample and a white sample; call ticket data of a user group to be observed are obtained, call features of the call ticket data are processed, and the call features comprise call circle features delimited based on historical call data; taking ticket data of a to-be-observed user group as a sample set, performing model training according to the call features, and establishing a fraud number recognition model; and carrying out fraud number identification