An electro-hydraulic push rod is a new type of integrated flexible transmission mechanism that combines machinery, electricity, and fluid power. It is composed of the actuating mechanism (cylinder), control mechanism (hydraulic control valve group), and power source (pump motor, etc.). Depending on the installation space on-site and the user's application, the electro-hydraulic push rod can have various structural forms (specifically see the exterior dimensions of the electro-hydraulic push rod, and custom styles can also be made according to the user's requirements). The motor drives the bidirectional hydraulic pump in both forward and reverse to output pressure oil, which is then sent to the cylinder through the hydraulic control valve, also achieving the reciprocating motion of the piston rod.