The potting automatic water system of this creation includes: a groove body, for potting merging; One water tank, can supply water injection; One water pipe is arranged on the groove body, and wherein the water pipe has plurality of openings; And a motor, it is and to be flowed out from the aperture of the water pipe the water in the water tank is evacuated to the water pipe. According to the potting automatic water system of this creation, potting can be placed in groove body by user, controller can according to measured by humidity sensor to humidity control the actuation of motor, with the watering to potting appropriateness.本創作之盆栽自動灑水裝置包含:一槽體,可供一盆栽置入;一水箱,可供水注入;一水管,設置在該槽體上,其中該水管具有複數個開孔;以及一馬達,係用以將該水箱內的水抽至該水管,並從該水管的開孔流出。根據本創作之盆栽自動灑水裝置,使用者可將盆栽放置在槽體內,控制器會根據濕度感測器所測得到的濕度來控制馬達的作動,以對盆栽適度的澆水。