The utility model discloses a negative pressure device with pressure display. The device comprises a hollow cavity with negative pressure in an inner cavity, a closing device positioned in an opening of the hollow cavity, and a negative pressure display device for displaying the negative pressure in the hollow cavity. According to the device, the negative pressure display device is arranged in the hollow cavity or on the hollow cavity and can be used for displaying the negative pressure condition in the hollow cavity, thus medical staff can conveniently observe whether the negative pressure is in a valid state on real time, and the workload of the medical staff at nursing can be reduced. The device is applied to the field of negative pressure devices.本發明公開一種帶壓力顯示的負壓裝置，包括內腔為負壓的中空腔體和位於中空腔體開口的封閉裝置，還設有用於顯示中空腔體內負壓大小的負壓顯示裝置。此帶壓力顯示的負壓裝置通過設置在中空腔體內部或者中空腔體上的負壓顯示裝置，可即時顯示中空腔體內的負壓情況，方便醫務人員即時觀察到負壓裝置是否處於有效狀態，可利於減少醫務人員的護理工作量，此發明用於負壓裝置領域。
