The invention discloses a milk frother and a chocolate stirrer; the chocolate stirrer comprises a stirring head and a stirring shaft both arranged in a stirring cup, the upper end of the stirring shaft is releasably connected to the center of a cup cover of the stirring cup, the stirring head is rotationally and releasably connected to the lower end of the stirring shaft, the lower end of the stirring shaft is provided with a releasable housing above the stirring head connection, the housing fitly covers the stirring head, the outer wall of the housing is raised out and extended out to form a center positioning portion, the wall of the housing is provided with filter holes in hollowed-out manner, and the center of the cup cover corresponds to that of the stirring cup. The milk frother may stir and froth milk which chocolate is added, the stirring head can be effectively avoided being unable to stop due to jamming, the positioning of the stirring head can be maintained, and the milk frother is simple in structure, easy to mount and release, easy to clean and very handy.