Abstract: The present invention provides a fast environmentally benign toilet deodorizer, which primarily users a small venting facility to suck in toilet odor, with various methods applied at a suction side of the small venting facility; with a pipe connecting a discharge side of the small venting facility with a mini-bubble generator below the liquid level of a water tank, odor will become mini odor bubbles; and with tank water absorbing primary ingredients of odor in the mini odor bubbles, toilet odor can be removed quickly and in an environmentally benign way, without using aromatics or deodorant.