The electric
toothbrush head and the electric
toothbrush provided by the embodiment of the application relate to the technical field of electric toothbrushes, and the electric
toothbrush head comprises a shell, a mounting cavity and a containing cavity, the containing cavity is communicated with the mounting cavity, a
brush head
assembly, a support and a
bristle head, the support is fixedly installed in the mounting cavity, the support has a matching hole, the
bristle head comprises a rotating connection part, a limiting part and a linkage shaft, the rotating connection part is rotatably matched with the matching hole, the limiting part is connected with the rotating connection part, and the linkage shaft is eccentrically arranged with the rotating connection part, a driving
assembly, a push rod and an elastic piece, the push rod is movably arranged in the containing cavity, one end of the push rod is rotatably connected with the linkage shaft, the other end of the push rod is used for being matched with a main shaft, the elastic piece is arranged in the mounting cavity, and the elastic piece is used for driving the push rod to move in a direction away from the linkage shaft. The embodiment of the application can simplify the structural design of the
brush head
assembly, is beneficial to simplifying the assembly process of the electric toothbrush head, and reduces the cost of the electric toothbrush head.