Filtering core and water purification cup with filtering core

The invention belongs to the field of outdoor articles and particularly relates to a filtering core and a water purification cup with the filtering core. The filtering core is composed of four layers of filtering layers which respectively comprise a loaded silver-containing mesoporous molecular sieve active carbon fiber filtering layer, an organic ion loaded zeolite and nano metal cluster material compound filtering layer, a chitosan medical stone compound filtering layer and a ceramic alkaline sphere filtering layer from top to bottom. The structure of the portable water purification cup with the filtering core and capable of heating comprises an upper cup body and a lower cup body; the portable water purification cup is small in volume, strong in water purification capability and convenient to use, and can meet the requirements on clean drinking water by people under the precondition of completely relieving the load of the people.