Support and warning board with same

The invention provides a support and a warning board, the support comprises a main body and a plurality of rollers, the support further comprises a stop assembly, the stop assembly comprises a supporting piece, an installation piece and an elastic piece, the supporting piece is connected to the main body, the installation piece is movably installed on the supporting piece, the rollers are installed on the installation piece and the main body respectively. The elastic piece elastically abuts against the supporting piece and the mounting piece, and when the supporting piece is subjected to downward force, the supporting piece abuts against the ground so that the support can stop sliding. 支架及警示牌，支架，包括主体及多个滚轮，所述支架还包括止动组件，所述止动组件包括支撑件、安装件及弹性件，所述支撑件连接于所述主体，所述安装件可动地装设于所述支撑件，多个所述滚轮分别装设于所述安装件与所述主体上，所述弹性件弹性抵持所述支撑件与所述安装件，所述支撑件受向下力作用时，所述支撑件抵持于地面使所述支架停止滑动。