Access control method and system and electronic equipment

The embodiment of the invention provides an access control method and system and electronic equipment. The method comprises the following steps: acquiring an attribute-based access control request; determining an access strategy evaluation result according to the attribute-based access control request and a preset access strategy; the access strategy comprises a corresponding relation between the attribute information and an access strategy evaluation result; determining an access risk level of the access control request according to target feature information corresponding to the access control request; the target feature information comprises at least one of the following items: a subject target trust value, historical access data, an environment attribute and an access request operation; and generating an access control evaluation result according to the access strategy evaluation result and the access risk level. According to the method provided by the embodiment of the invention, the accuracy and effecti