A pet automatic hydration filling container comprises a base and a water bottle coupling member, the base has a drinking water tank and a mounting groove, the water bottle coupling member has a combined body, and the inner body is provided with an inner groove The inner groove has a joint zone and a first-class outlet zone. In use, the joint zone of the water bottle joint is first combined with the bottle mouth of the water bottle, and then the joint body of the water bottle joint is installed in the installation groove. The water in the inverted water bottle will flow out to the effluent area and the drinking water tank until the liquid surface in the effluent area touches the bottle mouth, and when the water in the drinking water tank is drunk by the pet, the water bottle is inside The water will be automatically replenished into the effluent area and the drinking water tank to keep the liquid level in the effluent area in contact with the bottle mouth, and the effect of automatic hydration can be achieved.一種寵物自動補水裝填容器，包括有一基座與一水瓶結合件，該基座具有相通的一飲水槽與一裝設槽，該水瓶結合件則具有一結合本體，該結合本體內設有一內槽，該內槽具有相通的一結合區與一流出區，使用時先將該水瓶結合件的結合區與水瓶的瓶嘴結合，再將該水瓶結合件的結合本體裝設在該裝設槽後，呈倒立狀的水瓶內的水份會流出至該流出區與該飲水槽直到該流出區內的液面碰觸到瓶嘴，而該飲水槽內的水份被寵物喝掉時，水瓶內的水份會自動補充流到該流出區與該飲水槽內以使該流出區內的液面保持在碰觸瓶嘴，而能達到自動補水的效果。
