PROBLEM TO BE SOLVED: To provide a treatment method and a treatment device for waste fluid including body fluid such as nasal discharge and sputum sucked from a patient and a care-receiver.SOLUTION: A frame 1 equipped with a suction pump 24 and a plurality of waste fluid tanks 5 is installed at a fixed position of a hospital, a nursing care facility, etc., and one or more storage containers 11 holding waste fluid 47 inside with lids 12 mounted are recovered. The recovered storage containers are placed in the frame, and a nozzle 14 communicated with the suction pump is inserted into each storage container. After discharging the waste fluid in each storage container to the waste fluid tank, cleaning liquid 40 is introduced into the storage container to clean the inside. After the inside is cleaned, the cleaning liquid is discharged to the waste fluid tank, and the cleaning liquid is discharged to an external filth sink 8 from the waste fluid tank.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】患者や被介護者から吸引した鼻汁や痰等の体液を含む廃液の処理方法およびその処理装置を提供する。【解決手段】吸引ポンプ24と複数の排液タンク5を装備した筐体1を病院、介護施設等の定位置に設置し、内部に廃液47を収容し蓋12を装着した一または複数の貯留容器11を回収する。回収した貯留容器を筐体内に設置し、各貯留容器に吸引ポンプに連通するノズル14を挿入し、各貯留容器内の廃液を排液タンクに排出後、貯留容器に洗浄液40を導入して内部を洗浄し、内部洗浄後の洗浄液を排液タンクへ排出し、該洗浄液を排液タンクから外部の汚物流し8へ排出する。【選択図】図1