The present invention disclosed a body fluid drainage device, which is adapted for being arranged on a support for draining body fluid from an affected part. The body fluid drainage device includes a body fluid draining apparatus for draining the body fluid of the affected part and a body fluid drainage monitoring apparatus, detachably coupled with the body fluid draining apparatus for monitoring the draining condition, so as to allow medical professionals to directly and/or indirectly utilize the body fluid drainage monitoring apparatus to monitor the draining condition.本發明公開一種體液引流裝置，適于設置於一支架以引流一患處之體液，所述體液引流裝置包括：一體液引流器，用于引流該患處之體液、以及一體液引流監測器，可拆地耦合于所述體液引流器以用於監控引流狀態，從而容許醫療人員直接或間接使用所述體液引流監測器監測引流狀態。
