Water toothbrush

The invention relates to articles of daily use, in particular to a water toothbrush for brushing teeth with water. The mode that teeth are brushed with natural water is healthier, the phenomenon that many people are not applicable to toothpaste is avoided, and convenience is provided for people's lives. According to the scheme, the water toothbrush is composed of a toothbrush rod, a water cup, bristles, a water outlet, a water inflow prevention backflow valve and a connecting rigid plastic screw. The water toothbrush is structurally characterized in that the bristles are arranged at the head of the toothbrush rod, the whole toothbrush is divided into an upper part and a lower part, the upper part comprises the bristles and the toothbrush rod, and the lower part comprises the water cup, and water can only flow out from the water cup in a one-way mode and cannot flow back to the water cup; water flushes an oral cavity under the back and forth motion of the bristles, and teeth are cleaned. 本发明涉及水牙刷。本发明涉及种生活用品,确切