The embodiments of the present invention provide a random selection method, server, client and distributed system. The random selection method includes: generating, by a server, a plurality of objects for an online game, and ordering randomly the plurality of objects; transmitting display information to a plurality of clients, so as to make the ordered plurality of objects displayed on a display screen of each client in a manner of content being unknown, so that each user randomly select from the ordered plurality of objects; and designating, by the server, a user-selected object for the user according to feedback from the client. In this invention, the user may participate in the process of random selection, and random ordering by the system and the random selection by the user are combined, thereby the fairness of the random dealing is ensured.