With the rapid development of economic society and mobile Internet communication technology, the occurrence frequency

of telecommunications fraud crime is increasingly high, whose means and characteristics also present various new trends, which

makes the detection of the investigators more challenging. Under the background of the era of big data and cloud computing, the

function of "Intelligence-led Policing" becomes increasingly prominent. Owing to this mode guiding the prediction of crime model

and the prevention and investigation of crime, we can optimize the current mechanism of combating telecommunications fraud to a large extent, and promote the governance efficiency and quality of primary- level public security practice of telecommunications

fraud.