The present invention provides an erection monitoring device comprising an annular inflatable ring forming an accommodating space, the annular inflatable ring comprising an intake valve and an air outlet valve for filling air into the annular inflatable ring The air outlet valve is configured to circulate air in the annular air ring to the outside； and a pressure sensor is coupled to the annular air ring for sensing a pressure change in the annular air ring. The erection monitoring device monitors information such as erections, erection time, erection hardness, etc., and can further upload information to the network for medical personnel to easily track the user's physiological condition.本創作提供一種勃起監測裝置，其包含一環形充氣圈，係形成一容置空間，該環形充氣圈包含一進氣閥以及一出氣閥，該進氣閥用以使空氣充填入該環形充氣圈內，該出氣閥用以使該環形充氣圈內之空氣流通至外部；以及一壓力感測器，其連接於該環形充氣圈，用以感測該環形充氣圈內的壓力變化。勃起監測裝置可監測勃起次數、勃起時間、勃起硬度等資訊，並能進一步地將資訊上傳至網路，以供醫療人員方便地追蹤瞭解使用者的生理狀況。
