Purifying water cup with multiple filtering functions

The utility model relates to the technical field of water cups, and discloses a purification water cup capable of multiple filtering, which comprises a lower cup body and an upper cup body, the bottom of the lower cup body is connected with a heating base, the upper end of the lower cup body is in threaded connection with a filtering chamber, the upper end of the filtering chamber is in threaded connection with the upper cup body, and the upper cup body is in threaded connection with the heating base. The upper end of the upper cup body is in threaded connection with a cup cover, water level scale marks are arranged at the front end of the lower cup body, a primary filter screen layer is arranged at the position, close to the upper end, of the interior of the filter chamber, an activated carbon filter layer is arranged under the primary filter screen layer, a filter gauze layer is arranged under the activated carbon filter layer, and the filter gauze layer is arranged under the filter gauze layer. A precise f