The utility model relates to a stifled water profile control of oiliness mud is with joining in marriage fluid reservoir, including one jar of body, the open -top of jar body, the bottom of a jar body lateral wall is provided with the discharge gate, and a jar internal portion is equipped with an agitator, and the agitator is kept away from with a jar body filtering screen can be be provided with between another lateral wall of discharge gate with dismantling, pan feeding portion constituted between jar another lateral wall of personally experiencing sth. Part of the body and the filtering screen. Should join in marriage the holddown termination of pumping phenomenon that the fluid reservoir effectively avoided great suspended solid of particle diameter in the oiliness mud or solid particle to lead to, the stifled water profile control construction continuous operation of guarantee, furthest's reduction workman thing intensity of labour reduces poisonous and harmful material in the mud to the injury of workman's health.