Toothbrush capable of comprehensively cleaning tooth surface

The invention discloses a toothbrush capable of comprehensively cleaning a tooth surface. The toothbrush comprises a first toothbrush, a connecting mechanism and an inter-tooth toothbrush. The connecting mechanism is connected with the first toothbrush, the inter-tooth toothbrush is connected with the connecting mechanism, and when the inter-tooth toothbrush is in a first state, the inter-tooth toothbrush is hidden on the first toothbrush through the connecting mechanism; and when the inter-tooth toothbrush is in the second state, the inter-tooth toothbrush is exposed out of the first toothbrush through the connecting mechanism. The toothbrush has two functions of a common toothbrush and an inter-tooth toothbrush and can effectively and comprehensively clean the tooth surfaces, and the common toothbrush and the inter-tooth toothbrush are connected through the connecting mechanism to form an integrated structure so that the inter-tooth toothbrush can be prevented from being forgotten or lost, great convenience