Module box and server cabinet

The present application is applicable to the technical field of server cabinets, and provides a module box and a server cabinet, the module box comprising: a box body for accommodating modular elements, the box body being provided with an opening; the first connecting pieces are arranged at the bottom of the box body and right face the opening, the first connecting pieces are arranged in the width direction of the box body, the first connecting pieces are arranged at intervals in the length direction of the box body, and each first connecting piece is used for being matched with one end of one modular element in an inserted mode; and the fastener is used for detachably fixing the other end of the modular element on the box body. Through the cooperation of the first connecting piece and the fastening piece, the installation firmness of the modular element is higher, and installation and disassembly are more convenient. 本申请适用于服务器机柜的技术领域，提供一种模块盒及服务器机柜，模块盒包括：盒体，用于容纳模块化元件，所述盒体开设有开口；多个第一连接件，设于所述盒体的底部且正对所述开口设置，所述第一连