A liquid-sealed mount to be attached between a first member and a second member for controlling vibration introduced to the first member or the second member, the liquid-sealed mount comprising: a cup-shaped housing having an opening at a top, the cup-shaped housing being to be attached to the first member; a stud positioned at a center of the housing in a diameter direction, the stud being to be attached to the second member; a cap member fixed to the opening so as to form a sealed chamber between the cap member and the housing , the cap member holding the stud movably at least in an axial direction of the housing ; an air chamber formed at a bottom of the housing , air being sealed in the air chamber ; a diaphragm separating the sealed chamber into a liquid chamber and the air chamber ; liquid sealed in the liquid chamber ; and a movable damping plate positioned in the liquid chamber , a gap being provided between the movable damping plate and an inner wall of the housing , the liquid being capable of passing through the gap, the movable damping plate being attached to the stud ; characterized in that : the liquid is highly viscous, and the liquid-sealed mount further comprises a support member positioned between a lower end of the stud or the movable damping plate and the diaphragm , the support member being configured to transmit a load in a compression direction applied to the stud to the diaphragm , with a first surface of the support member not separating from the diaphragm so that the support member is in contact with the diaphragm when a load is applied by the second member to the stud . a cup-shaped housing having an opening at a top, the cup-shaped housing being to be attached to the first member; a stud positioned at a center of the housing in a diameter direction, the stud being to be attached to the second member; a cap member fixed to the opening so as to form a sealed chamber between the cap member and the housing , the cap member holding the stud movably at least in an axial direction of the housing ; an air chamber formed at a bottom of the housing , air being sealed in the air chamber ; a diaphragm separating the sealed chamber into a liquid chamber and the air chamber ; liquid sealed in the liquid chamber ; and a movable damping plate positioned in the liquid chamber , a gap being provided between the movable damping plate and an inner wall of the housing , the liquid being capable of passing through the gap, the movable damping plate being attached to the stud ; characterized in that : the liquid is highly viscous, and the liquid-sealed mount further comprises a support member positioned between a lower end of the stud or the movable damping plate and the diaphragm , the support member being configured to transmit a load in a compression direction applied to the stud to the diaphragm , with a first surface of the support member not separating from the diaphragm so that the support member is in contact with the diaphragm when a load is applied by the second member to the stud . the liquid is highly viscous, and the liquid-sealed mount further comprises a support member positioned between a lower end of the stud or the movable damping plate and the diaphragm , the support member being configured to transmit a load in a compression direction applied to the stud to the diaphragm , with a first surface of the support member not separating from the diaphragm so that the support member is in contact with the diaphragm when a load is applied by the second member to the stud . <EOS>