Abstract: The present disclosure discloses a fixed mechanism for a tetherball rod and a tetherball fixed device. The fixed mechanism for a tetherball rod includes a connecting base and fixed members, wherein the connecting base is provided with connecting ports and connecting portions. The connecting ports are configured to connect to the tetherball rod and the connecting portions are connected to the fixed members. The fixed members are configured to connect to the ground so that the connecting base is installed on the ground. Further, the tetherball fixed device includes a support rod and a fixed mechanism for a tetherball rod of the present disclosure, and a lower end of the support rod is connected to connecting ports. Through the above structure setting, the fixed connection of the tetherball rod is implemented with a simple operation, convenient carry and strong stability.