Electric toothbrush capable of adjusting rotation function

The utility model discloses an electric toothbrush capable of adjusting a rotation function. The electric toothbrush comprises a brush head, a brush handle, an adjusting piece and a decorative cover, the brush handle comprises an adjusting section and a control section, the adjusting section is sleeved with the adjusting part, and the adjusting part and the brush handle rotate relatively to form a structure with a rotation adjusting function; the decorative cover is arranged at the end of the brush handle in a sleeving mode and connected with the adjusting piece in a positioning mode through a pogo pin connector. And the brush head is detachably arranged on the brush handle. According to the utility model, the structure for positioning is simplified, the smoothness of rotary adjustment is ensured, and the adjusting piece can be rotated and adjusted anticlockwise or clockwise, so that the aims of smooth adjustment, easiness in assembly, low noise in the adjusting process and no abnormal sound are fulfilled, an