Push pull type tooth brush

The utility model discloses a push-pull type toothbrush comprising a toothbrush handle, a toothbrush head, a connecting rod, a push-pull switch, a connecting thin rod and a push-pull spring. The toothbrush head comprises a bottom brush head frame, a movable buckling groove on the two sides of the bottom brush head frame and brushes which consists of a brush column formed by brushes, a brush base and a garter spring. The rotary central shaft with a rib-shape gear is arranged on the brush frame and between the brush bases in which the periphery has gear meshing with the rib-shape gear. The front terminal of the rotary central shaft is provided with tri angle shape gear. With the advantages of simple and reasonable structure, safety, easy manufacture, low cost, as the brush column can move upper and down, rotates to 180 degree of positive and negative, the utility model which can thoroughly clean the wastes from the edge of the tooth slot and the groove without damaging the gingival tissue is a environmental protection toothbrush in which the brush of the toothbrush head can be replaced.