A server rack system is provided, which includes a rack, a rack management module, a plurality of servers, and a management network connection module. The rack management module is located in the rack and coupled to a management network line (MNL). The servers are located in the rack. Each server includes a baseboard management controller (BMC), and each BMC is used to monitor a working status of the server where the BMC is located. The management network connection module is located in the rack and coupled to the MNL to be connected to the rack management module and the BMC through the MNL. The rack management module is used to allocate an Internet Protocol (IP) address to the BMC and manage each server through the BMC corresponding to each IP address.