Novel sewage treatment tank

The utility model discloses a novel sewage treatment tank which comprises a filtering pond, a boiling pond and a settling pond, wherein the filtering pond is internally provided with a filtering tank; one end of the filtering pond is communicated with one end of the boiling pond through a connecting tube; the boiling pond is internally provided with a boiling tank; the other end of the boiling pond is connected with the settling pond through a water sucking tube; the settling pond is internally provided with a settling tank; an opening is formed in the top of the settling tank; a water outlet tube is arranged on one side of the settling pond; and a faucet is arranged at the tail end of the water outlet tube. The novel sewage treatment tank is reasonable in structural design and convenient to use, solid with relatively large size, harmful substances and fine solid generated from the harmful substances in sewage can be removed and settled by using the filtering pond, the boiling pond and the settling pond, the water quality is improved, the purpose of secondary circulation and reuse is achieved, and the water resource is saved.