A vibration damping device comprising: a tubular first attachment member coupled to any one of a vibration generating part and a vibration receiving part, and a second attachment member coupled to the other thereof; an elastic body coupling both of the attachment members (11, 12); and a partitioning member that partitions a liquid chamber within the first attachment member having a liquid enclosed therein into a first liquid chamber and a second liquid chamber, wherein at least one of the first liquid chamber and the second liquid chamber has the elastic body on a portion of a wall surface thereof, the partitioning member is provided with a vortex chamber unit that communicates with the first liquid chamber and the second liquid chamber, the vortex chamber unit includes a vortex chamber (33a, 33b) communicating with one liquid chamber (14, 15) of the two liquid chambers (14, 15) through a laminar flow path and communicating with the other liquid chamber (15, 14) through a communication hole (32a, 32b), the laminar flow path is opened into the vortex chamber (33a, 33b) from an inner peripheral surface that faces in a radial direction of the vortex chamber (33a, 33b), among wall surfaces defining the vortex chamber (33a, 33b), being aimed in a circumferential direction of the vortex chamber (33a, 33b), the communication hole (32a, 32b) is opened into the vortex chamber (33a, 33b) from an end surface (35a, 35b) that faces in a direction of center axis of the vortex chamber (33a, 33b), among the wall surfaces defining the vortex chamber, being aimed in the direction of the center axis, a blocking member (36a, 36b) extending in the direction of the center axis so as to surround the communication hole (32a, 32b) from an outside in the radial direction is provided within the vortex chamber (33a, 33b), the blocking member (36a, 36b) is provided with a flow opening (37a, 37b) penetrating the blocking member (36a, 36b), the vortex chamber (33a, 33b) forms circulating flows of a liquid according to a flow speed of the liquid flowing in from the laminar flow path and allows the liquid to flow out from the communication hole (32a, 32b) through the flow opening (37a, 37b), characterized in that the blocking member (36a and 36b) is disposed in an opening peripheral edge of the communication hole (32a and 32b). a tubular first attachment member coupled to any one of a vibration generating part and a vibration receiving part, and a second attachment member coupled to the other thereof; an elastic body coupling both of the attachment members (11, 12); and a partitioning member that partitions a liquid chamber within the first attachment member having a liquid enclosed therein into a first liquid chamber and a second liquid chamber, wherein at least one of the first liquid chamber and the second liquid chamber has the elastic body on a portion of a wall surface thereof, the partitioning member is provided with a vortex chamber unit that communicates with the first liquid chamber and the second liquid chamber, the vortex chamber unit includes a vortex chamber (33a, 33b) communicating with one liquid chamber (14, 15) of the two liquid chambers (14, 15) through a laminar flow path and communicating with the other liquid chamber (15, 14) through a communication hole (32a, 32b), the laminar flow path is opened into the vortex chamber (33a, 33b) from an inner peripheral surface that faces in a radial direction of the vortex chamber (33a, 33b), among wall surfaces defining the vortex chamber (33a, 33b), being aimed in a circumferential direction of the vortex chamber (33a, 33b), the communication hole (32a, 32b) is opened into the vortex chamber (33a, 33b) from an end surface (35a, 35b) that faces in a direction of center axis of the vortex chamber (33a, 33b), among the wall surfaces defining the vortex chamber, being aimed in the direction of the center axis, a blocking member (36a, 36b) extending in the direction of the center axis so as to surround the communication hole (32a, 32b) from an outside in the radial direction is provided within the vortex chamber (33a, 33b), the blocking member (36a, 36b) is provided with a flow opening (37a, 37b) penetrating the blocking member (36a, 36b), the vortex chamber (33a, 33b) forms circulating flows of a liquid according to a flow speed of the liquid flowing in from the laminar flow path and allows the liquid to flow out from the communication hole (32a, 32b) through the flow opening (37a, 37b), characterized in that the blocking member (36a and 36b) is disposed in an opening peripheral edge of the communication hole (32a and 32b).