The invention discloses an anti-epidemic area anti-epidemic liquid spraying device with a liquid mixing function. The anti-epidemic area anti-epidemic liquid spraying device with the liquid mixing function comprises a base, a mixing barrel is fixedly connected on the left above the base, and the right of the mixing barrel is fixedly connected with a mounting tank, inside which a water pump is fixedly connected; the input end of the water pump is fixedly connected with a water inlet pipe which is communicated with the mixing barrel, and the right end of the water pump is fixedly connected with a water outlet pipe; the top of the mounting tank is fixedly connected with a motor base, a motor is fixedly connected above the motor base, and the output end of the motor is fixedly connected with a driving bevel gear. Compared with the prior art, the anti-epidemic area anti-epidemic liquid spraying device with the liquid mixing function has the advantages of being simple in structure and convenient to use; when spraying anti-epidemic liquid, the anti-epidemic area anti-epidemic liquid spraying device with the liquid mixing function can achieve a combined motion mode with left-right swinging and up-down movement to ensure a wide and all-around spraying range without dead angles; besides, the anti-epidemic area anti-epidemic liquid spraying device with the liquid mixing function can guarantee full and uniform mixing the liquid and accordingly can guarantee anti-epidemic effects and avoid epidemic outbreak.