The invention discloses a hydraulic oil cylinder control device, a telescopic draining pipe and a moving draining vehicle. The hydraulic oil cylinder control device comprises first reversing valves, second reversing valves, a first hydraulic oil cylinder and a second hydraulic oil cylinder, wherein the first hydraulic oil cylinder and the second hydraulic oil cylinder comprise cylinder bodies andpiston rods, one ends of the cylinder bodies are provided with first oil delivery holes, and the other ends of the cylinder bodies are provided with second oil delivery holes and third oil delivery holes; oil delivery channels communicating with rodless cavities in the cylinder bodies are arranged in the piston rods, and the bottom ends of the piston rods are provided with fourth oil delivery holes communicating with the oil delivery channels; the first oil delivery holes and the second oil delivery holes of the hydraulic oil cylinders are connected to an oil supply device through the first reversing valves; and the third oil delivery holes of the hydraulic oil cylinders are connected to the oil supply device through oil delivery pipes and the second reversing valves. In the invention, oilis supplied to hydraulic actuating elements through the hydraulic oil cylinders, the aging of oil delivery hoses due to stretching or bending can be prevented, and the service life of oil supply pipelines is effectively prolonged.