Disposable environment-friendly paper cup

A disposable environment-friendly paper cup comprises a cup body having a base plate, wherein a water permeable layer is arranged above the base plate; a water purifying layer is arranged between the water permeable layer and the base plate; the water permeable layer is a PET filter paper; the purifying layer is 3 to 5 grams of bamboo charcoal grains; the diameter of the bamboo charcoal grain is 0.5 to 1 mm; or the purifying layer is 3 to 5 grams of activated charcoal grains; the diameter of the activated charcoal grain is 0.5 to 1 mm; or the purifying layer is 3 to 5 grams of medical stone grains; the diameter of the medical stone grain is 0.5 to 1 mm. When the cup of the utility model is used for drinking water, the toxic substance and bacteria in the water and the toxic substance released by the cup body can be removed so as to efficiently purify the water. The utility model can provide the mineral substance and microelements required by human body so the water is more sweet and nice. The utility model has