#$%^&*AU2012101696A420130110.pdf#####ABSTRACT An urine measurement box with a reverse check mechanism (1) includes a main body (10) and a check valve (20), and the main body (10) has a cavity (11) and a liquid inlet (1111) interconnected to the cavity (11), and the check valve (20) is installed at the liquid inlet (1111) and contained in the cavity (11), wherein urine (L) flows in from the liquid inlet (1111) to drive the check valve (20) to open the liquid inlet (1111), and then the urine (L) flows in a reverse direction from the cavity (11) to drive the check valve (20) to shut the liquid inlet (1111), so as to prevent urine (L) in the cavity (11) from flowing in a reverse direction out of the measurement box (1). 9CN C:) C) CD Nt 71-,y CN LL X C14 C) Ce) CN C:) C%4