< Topic >The automatic cooling water supply system which supplies water to the vegetable and the flower etc which are cultivated in the planter and the bowl etc, automatically over the long period of time is offered.SolutionsIt provides Minakuchi Out in the vicinity the bottom and the water container it installs the water container in the water supplying palate 2 which closes 1 which and has the water compensating port on top and the water compensating port and inside the saucer 4 which saves the water 6 which flowed out from the water container once and water 6 it has with the water supply material 5 which consists of the fiber aggregate of the string condition which includes the hydrophilic fiber which from saucer 4 is led to hilling.< Choice figure >Drawing 1【課題】プランターや鉢等で栽培する野菜や花等に、長期間にわたり自動的に給水する自動給水装置を提供する。【解決手段】底の近くに出水口を設け上部に水補給口を備えた水容器1と、水補給口を塞ぐ水補給口蓋2と、内部に水容器を設置し水容器から流出した水6を一旦貯める受皿4と、水6を受皿4から培土に導く親水性繊維を含む紐状の繊維集合体からなる給水材5とを備える。【選択図】図1