This creation system is a kind of Water fountain for pet, includes a bag body and a pet drawing device, and aforementioned bag body includes a water space and one first opening, and aforementioned water space communicates aforementioned first opening; Aforementioned pet drawing device connects aforementioned first opening of what, so that the drawing head of aforementioned pet drawing device communicates above-mentioned water space, and for pet drinking, wherein, its compressible volume of the bag body, it can be furled when anhydrous and volume becomes smaller, and just what carries and stores water fountain, while not interfering with moisture storage capacity.本創作係為一種寵物用飲水器,包含有一袋體及一寵物用汲取器,前述袋體包含有一儲水空間及一第一開口,前述儲水空間相通前述第一開口;前述寵物用汲取器連接於前述第一開口,使得前述寵物用汲取器之汲取頭相通上述儲水空間,而可供寵物飲水,其中,所述袋體可壓縮其體積,無水的時候可捲收將體積變小,而便於攜帶與收納飲水器,同時不會影響到儲水量。