Drainage device for nursing in intensive care department

The invention discloses a drainage device for nursing in the intensive care department. The drainage device comprises a device main body and a negative pressure pump, wherein a first collecting bottleis fixed to the right side of the top end of the device main body; a fourth connecting pipe is fixed to the left side of the top end of the first collecting bottle; third fixing plates are fixed to the top ends of the first collecting bottle and the second collecting bottle respectively; a second clamping mechanism is arranged on the right sides of the top ends of the third fixing plates; a firstclamping mechanism is arranged on the left sides of the top ends of the third fixing plates; a linkage mechanism is arranged between the first clamping mechanism and the linkage mechanism; and the negative pressure pump is fixed to the front side of the top end of the device main body. The problems are solved as follows: an existing device is only provided with a reminding device, when a storagebottle is full of collected