The present relates a sanitation embedded part (1) with a jet-flow and/or flow adjustment unit (7). In the sanitation embedded part (1), a hose accommodating part (8) is arranged on a water inlet (5), a connecting hose (9) can be connected to a base body at the position of the hose accommodating part, a fixing mechanism (10) is arranged on the base body (4), and the connecting hose which can be connected with the hose accommodating part (8) in a pluggable mode or is connected with the hose accommodating part (8) in the pluggable mode can be fixed to the base body (4) and can not fall with the help of the fixing mechanism. The present invention also relates to an embedded part system (32) and a sanitation accessory (3).