Multi-function water treating device

The utility model relates to a multi-function water treating device, which is composed of a magnetization part, a purification part, a heating part, a mineralization part, etc. The purification part and the mineralization part are respectively is provided with container; the purification part, the mineralization part and the heating part are coupled through heat exchange pipes; the heat exchange pipes are that a larger pipe is sheathed with a small pipe. The water to be treated can flow into the larger pipe after magnetized and purified; the heat quantity of the hot water in the small pipe can be absorded by the water flowing from the larger pipe to the heating part; the hot water flowing from the heating part to mineralization part is cooled; the heating part is provided with a boiled water outlet tap; the mineralization part is provided with a water outlet tap for fetching drinking water. The utility model has the advantages that the purifying effect of the water treating device is good, and the energy can be saved.