A method for producing a microcapsule powder, the method comprising a concentration step of supplying an aqueous dispersion of a microcapsule into a cyclone and concentrating the aqueous dispersion, wherein the cyclone comprises: a cylindrical member having a cylindrical member inlet and defining a cylindrical space , a conical member attached to one end of the cylindrical member, defining a conical space , and having a conical member outlet , a tubular member attached to the other end of the cylindrical member and having a tubular member outlet , the conical space communicating with the cylindrical space, and the tubular member having an interior space that communicates with the cylindrical space, and the concentration step comprises: an aqueous dispersion-supplying step of supplying the aqueous dispersion into the cylindrical member inlet, and a concentrated dispersion-recovering step of recovering a microcapsule dispersion discharged through the conical member outlet, and the cyclone further comprises a relaxation member connected to the conical member, defining a flow-in space into which the microcapsule dispersion discharged through the conical member outlet flows, and relaxing the strength with which the concentrated microcapsule dispersion is discharged, and the concentrated dispersion-recovering step comprises: a flow-in step in which the microcapsule dispersion flows out of the conical space into the flow-in space and, at the time of discharge through the conical member outlet, the microcapsule dispersion receives pressure that is higher than the atmospheric pressure outside the relaxation member, and a discharge step of discharging the microcapsule dispersion within the relaxation member out from the relaxation member. a cylindrical member having a cylindrical member inlet and defining a cylindrical space , a conical member attached to one end of the cylindrical member, defining a conical space , and having a conical member outlet , a tubular member attached to the other end of the cylindrical member and having a tubular member outlet , the conical space communicating with the cylindrical space, and the tubular member having an interior space that communicates with the cylindrical space, and the concentration step comprises: an aqueous dispersion-supplying step of supplying the aqueous dispersion into the cylindrical member inlet, and a concentrated dispersion-recovering step of recovering a microcapsule dispersion discharged through the conical member outlet, and an aqueous dispersion-supplying step of supplying the aqueous dispersion into the cylindrical member inlet, and a concentrated dispersion-recovering step of recovering a microcapsule dispersion discharged through the conical member outlet, and the cyclone further comprises a relaxation member connected to the conical member, defining a flow-in space into which the microcapsule dispersion discharged through the conical member outlet flows, and relaxing the strength with which the concentrated microcapsule dispersion is discharged, and the concentrated dispersion-recovering step comprises: a flow-in step in which the microcapsule dispersion flows out of the conical space into the flow-in space and, at the time of discharge through the conical member outlet, the microcapsule dispersion receives pressure that is higher than the atmospheric pressure outside the relaxation member, and a discharge step of discharging the microcapsule dispersion within the relaxation member out from the relaxation member. a flow-in step in which the microcapsule dispersion flows out of the conical space into the flow-in space and, at the time of discharge through the conical member outlet, the microcapsule dispersion receives pressure that is higher than the atmospheric pressure outside the relaxation member, and a discharge step of discharging the microcapsule dispersion within the relaxation member out from the relaxation member. <EOS>