This creation mainly discloses a kind of urination apparatus with what chair body, comprising: which a urination disk, group set what chair body for the lower section of user's carriage, recessed urethral catheterization slot, the slot bottom of the urethral catheterization slot is to be obliquely installed, and urethral catheterization slot what slot bottom provides an interconnected urination hole； And one collect container, group run in urinates hole and with urethral catheterization slot be interconnected.本創作主要揭示一種用於椅體之排尿裝置，其包括：一排尿盤，其組設於椅體供使用者乘座之下方，其凹設一導尿槽，該導尿槽之槽底為傾斜設置，且導尿槽於槽底貫設一相互連通之排尿孔；及一搜集容器，其組接排尿孔且與導尿槽相互連通。
