A kind of stomach Qi ball weight reducing device,Include: an inflatable inflatable body,The inflatable inflatable body is equipped with an inflating port,The root edge of the inflating port is provided with a stop tab,The inner wall of inflatable inflatable body is set as fluorescent inner wall simultaneously； One locking device,If what may expand the inflating port periphery of inflatable body； And an elastic tube,One end is engaged with the inflating port of inflatable inflatable body,Another end with the inflating port of air charging system then for connecting； Thereby,The gas of air charging system is enabled to enter in inflatable inflatable body through elastic tube,Inflation completion Hou inflatable inflatable body opening is then closed by the locking device.一種胃氣球減重裝置，包含：一可膨脹充氣體，該可膨脹充氣體設有一充氣口，該充氣口的底緣連設有一止擋片，同時可膨脹充氣體的內壁設為螢光內壁；一封閉裝置，設於可膨脹充氣體的充氣口周緣；以及一彈性管，一端與可膨脹充氣體的充氣口接合，另端則供與充氣裝置的充氣口連接；藉此，令充氣裝置的氣體透過彈性管進入可膨脹充氣體內，充氣完成後該可膨脹充氣體開口則由所述封閉裝置封閉。
