PROBLEM TO BE SOLVED: To provide a body fluid leakage inhibitor 2 which has superior fluidity and high water absorption performance and can be loaded into the body cavity of a corpse with a light force when loaded by using a tool 1.SOLUTION: The body fluid leakage inhibitor 2 includes a water-absorbent resin dispersed in a viscous fluid base material including at least one selected from the group consisting of an alcohol, an ether, and an ester, and contains a partially neutralized product of polyacrylic acid as a dispersion stabilizer for the water-absorbent resin.COPYRIGHT: (C)2013,JPO&INPIT【課題】流動性に優れ、器具1を使用して装填する際に、軽い力で遺体の体腔に装填できる吸水性能が高い体液漏出防止剤2を提供する。【解決手段】体液漏出防止剤2は、アルコール類、エーテル類およびエステル類よりなる群から選ばれた少なくとも1種を含む粘液基材中に吸水性樹脂が分散しており、且つその吸水性樹脂の分散安定剤としてポリアクリル酸部分中和物を含有する。【選択図】図4