The embodiment of the invention provides a trust degree determination method and device based on D2D (Device to Device) communication and equipment. The method can be applied to an access service control system accessed by a service requester. The method specifically comprises the steps of receiving a trust degree determination request sent by the service requester, wherein the trust degree determination request comprises an identity of a to-be-interacted service provider of the service requester; analyzing the trust degree determination request, and determining the service provider; determining total trust degree for the service provider through utilization of determined first trust degree of an access service control system for the service provider, and received direct trust degree fed back by other service control systems; and sending the total trust degree to the service requester. In a trust degree determination process, load of the service requester is mitigated, computing time is reduced, and computing efficiency is improved.