The invention discloses a portable water intaking and purifying device for field. The portable water intaking and purifying device comprises a support, a water intake tank and a water purifying cover,wherein the water intake tank is positioned above the support; in addition, the water purifying cover is positioned at the top of the water intake tank and extends into the water intake tank; a wateroutlet pipe is arranged at the bottom of the water intake tank; the water intake tank comprises a tank body with a top open; a hollow pipe penetrating through the bottom of the tank body is arrangedinside the tank body; the bottom end of the hollow pipe is communicated with the water outlet pipe; a sealing gasket is arranged at the top of the tank body; a supporting pad connected with the support is arranged at the bottom of the tank body. The portable water intaking and purifying device disclosed by the invention has the beneficial effects that by using a detachable design and carrying outthree-section separation, convenience in carrying and assembling for use and convenience in use are realized; by distillation and purification of a water source, the cleanness of drinking water can beimproved, purification demands of multiple water sources can be met and the purifying operation of the water source is convenient and quick.