A toy pen is characterized by comprising a pen body, a pen cap on the pen body, a mini golf club head and a mini golf ball. A storage space is formed in the tail of the pen body, the mini golf ball is placed in the storage space, the tail of the storage space is open, and the mini golf club head is movably connected with the storage space at an opening. The pen cap comprises a cap body, a pen clamp and a small red flag, the pen clamp is fixed to one side of the cap body, a containing space is arranged on the side, opposite to the pen clamp, of the cap body, the top of the containing space is open, a telescopic rod is arranged on the bottom face of the containing space, and the small red flag is arranged on the telescopic rod. In the process of use, the position where the pen cap with the small red flag serves as the target, a person can uses the mini golf club head to strike the mini golf ball to knock the pen cap, the person who firstly knocks down the pen cap wins, and at the moment, the game can be played by one person or several persons together. The toy pen can be used as a leisure and recreation tool to enrich sparetime life of users.