As for this invention with various accidents or operation with blood loss circulating blood quantitative insufficiency the body fluids (the urine) the quantity and the body fluids (the urine and the blood) measuring the component with the process which is supplied via vein water liquid supply the derived ureter which is used in order to appraise the circulatory organ state and kidney function etc of the patient being the exchanging device of the urine drainage bag which is connected to this, the aforementioned body fluids quantity (the urine quantity) and the body fluids (the urine and the blood) measuring the specific component and content in automatically in real time, not only the efficient medical management expedient which can output easily, the data which it acquires in basis the patientIt regards the fixed quantity and the qualitative analysis device of the body fluids which by the fact that quick diagnosis of health state is transmitted to medical position in suitable period appropriate clinical measure can do in the patient. The body fluids which urinate in the patient whose urination is possible, (the urine) the body fluids collection section which is gathered consists of the adapter which the pipe and the substance which are connected with the substance is connected, the body fluids which were gathered in the aforementioned body fluids collection section (the urine) the abluent water retention section and the aforementioned body fluids which retain the abluent water which is used in the retention section and the aforementioned body fluids collection section which are retained (the urine) the body fluids which were gathered in the collection section (the urine) makes the urine retention section move, the abluent water of the aforementioned abluent water retention section the aforementioned body fluids (the urine) controlling the operation of the drive section and the aforementioned drive section which are made to move to the collection sectionThe body flui