Color mixing pen

The utility model discloses a color mixing pen, and relates to a writing apparatus or a drawing apparatus. The color mixing pen is used for solving the problem of nonuniform stirring of pigments in a pen cavity. The color mixing pen comprises a raw material pipe, a material mixing pipe and a liquid storing pipe, which are successively communicated from top to bottom, wherein separation plates for dividing the raw material pipe into three cavities are arranged in the raw material pipe, pigments of different colors are filled in the three cavities respectively, and a switch for controlling the flow of the pigments is arranged at the lower end of each cavity; the material mixing pipe comprises a brush head and a brush rod, the upper end of the brush head extends out of the upper surface of the raw material pipe, the lower end of the brush head is connected with the brush rod, and the brush rod is S-shaped. The S-shaped brush rod is arranged to realize the uniform stirring of the pigments.