The embodiment of the invention provides a Jenkins continuous integration cluster, an APP packing method and a server, which are used for realizing the technical effects of shortening the packing timeand improving the reliability of the server. The Jenkins continuous integration cluster comprises a master server and a plurality of slave servers connected with the master server; the master serveris configured to receive a plurality of application program APP packaging tasks submitted by a client, determine the slave server for executing each of the packaging tasks according to the plurality of the packaging tasks, and send each of the packaging tasks to the corresponding slave server. The slave server is configured to receive the packaging task sent by the master server and execute the packaging task.