To provide a high-speed rotating equipment in which a device such as a cooling water circulator is not necessary to specifically be provided, and which is capable of controlling the increase in the temperature of the motor without preparing a refrigerant such as cooling water.

A high-speed rotating equipment 10 including a rotary shaft 2, a rotor 1 formed at one end of the rotary shaft 2, and a casing 5a having an intake opening 53 and an outlet opening 55; and a housing 5b having a fluid transferring part R in which a fluid is taken from the intake opening 53 and the taken fluid is discharged from the outlet opening 55 by containing the rotor 1 inside of the casing 5a, a motor 4 for rotationally driving the rotary shaft 2, and a rotary shaft communication hole 2H through which the rotary shaft 2 is passed, and a motor drive chamber M for containing the rotary shaft 2 and the motor 4 provided in the inside of the housing 5b, in which the equipment further comprises a fluid flow path 30 through which a part of the fluid is passed at the middle of the fluid flow of the fluid transferring part R, and the motor 4 is cooled with the fluid passed through the fluid flow path 30.