The invention provides an intelligent and accurate control system and control method for the irrigation amount of a reeling type sprinkling machine.The control system comprises a wind speed sensor, a flow sensor, a PE pipe linear speed sensor, a lead screw adjusting mechanism which adjusts opening of a water turbine baffle tongue of the reeling type sprinkling machine and is driven by a stepping motor and an irrigation amount controller, the flow sensor is arranged on a water inlet pipe of the reeling type sprinkling machine, the irrigation amount controller is connected with the wind speed sensor, the flow sensor, the PE pipe linear speed sensor and the stepping motor through a CAN bus, the irrigation amount controller controls the stepping motor according to the reeling type sprinkling machine flow, the wind speed under an operating environment and PE pipe recycling linear speed information so as to control the opening of the water turbine baffle tongue.According to the intelligent and accurate control system and control method for the irrigation amount of the reeling type sprinkling machine, intelligent and accurate controlling can be conducted on the irrigation amount of the reeling type sprinkling machine, the automatic operation degree is high, and operation is convenient.