The invention relates to a platform verification method and apparatus, a computer device and a storage medium, and belongs to the technical field of verification. The method comprises the steps of receiving a joining request of requesting to join a block chain alliance by a candidate platform, wherein the block chain alliance at least comprises at least one platform; when platform information of the candidate platform is not stored, returning verification failure information to the candidate platform; according to the verification failure information, sending a confirmation request to a platform in the block chain alliance by the candidate platform, and according to the confirmation request, performing confirmation on the candidate platform and sending a confirmation result by each platform; receiving the confirmation result sent by each platform; and when the received confirmation result meets a preset condition, returning joining success information to the candidate platform. According to the technical scheme, the problem of long time of requesting to join the block chain alliance by the platform is solved, and the platform can be quickly verified when requesting to join the block chain alliance.