Abstract: The well stimulation vessel used in the offshore oil and gas field is high in efficiency and security, with excellent control performance and good stability. The vessel is equipped with advanced ship navigation system, dynamic positioning system and a powerful dynamic system. The stimulation operation equipment in this vessel include the proppant fracturing storage device, acid and gum liquid storage device, mixing system, all kinds of liquid and chemical reagent adding system, the fracturing pump system, cen-tral control room as well as the data acquisition system, complete quality control system, the safe pipeline and quick disengagement device. The well stimulation vessels can work continuously with high efficiency, with good safety and reliability.