Service system sorting method and related device

The embodiment of the invention discloses a business system sorting method and a related device, which can be applied to the field of big data and finance, and the method comprises the following steps: obtaining an association relationship between business systems, the business systems comprising a target business system; according to a target association relationship corresponding to the target business system and the time of obtaining the target association relationship, determining target association relationship weights of other business systems except the target business system in the business systems relative to the target business system; and when the target service system is operated in the single sign-on system, sorting the other service systems according to the target association relationship weight, and displaying the other service systems in the single sign-on system according to a system sorting result. According to the method, the service systems with relatively strong user use association relat