The vehicle-mounted high-power concrete hydraulic wet spraying machine is an efficient concrete construction equipment. It uses a truck as a carrier, adding an additional spraying concrete outlet at the original single spraying concrete outlet, allowing for dual material pipe discharge, large output volume, excellent spraying effect, strong mobility, and the ability to quickly reach the construction site. It is driven by a hydraulic system, which can precisely control the concrete delivery and the addition of accelerators. During operation, the mixed concrete is sent into the hopper, transported by the concrete pump along the delivery pipeline to the spray head, while the accelerator is added in proportion, and then the concrete is sprayed onto the construction surface by the spray head. This equipment has high spraying efficiency and good quality, effectively reducing dust pollution, and is widely used in tunnels, mines, slope protection, and underground engineering, improving construction efficiency and ensuring construction safety and quality.