Electro-hydraulic actuator, boom, engineering machinery, cooling method and storage medium

The invention relates to the technical field of electro-hydraulic actuators, and discloses an electro-hydraulic actuator, an arm support, engineering machinery, a cooling method and a storage medium, the electro-hydraulic actuator comprises a motor cooling loop, a hydraulic oil cooling loop, a cooling water tank and a hydraulic oil tank, and the motor cooling loop is connected with the hydraulic oil cooling loop; the motor cooling loop comprises a first motor and a second motor, the first motor and the second motor are both connected with the cooling water tank, and the motor cooling loop is used for cooling the first motor and the second motor through cooling water in the cooling water tank; and the hydraulic oil cooling loop is connected with the hydraulic oil tank, and the hydraulic oil cooling loop is used for cooling hydraulic oil in the hydraulic oil tank, so that the effect of cooling the electro-hydraulic actuator through the motor cooling loop and the hydraulic oil cooling loop is achieved, and the p