The present invention relates to a DPF regeneration system for a diesel engine for agricultural machinery including an electronic exhaust valve, wherein the diesel engine provided with an exhaust manifold and exhaust gas discharged through the exhaust manifold is supplied and contained in the exhaust gas. An exhaust gas post-treatment device that physically collects and burns particulate matter, an exhaust pipe connected to the exhaust gas post-treatment device to discharge the exhaust gas purified by the exhaust gas post-treatment device to the outside, and the exhaust gas post-treatment device. A differential pressure sensor that is installed at the front and rear ends of the exhaust gas aftertreatment device to measure the difference in internal pressure between the front and rear ends of the exhaust gas aftertreatment device, a temperature measurement unit that measures the internal temperature of the exhaust gas aftertreatment device, and is installed in the exhaust pipe An electronic exhaust valve that regulates the discharge of the purified exhaust gas discharged to the outside of the exhaust pipe, and the diesel engine, the differential pressure sensor, the temperature measuring unit, and electrically connected to the electronic exhaust valve to control the operation of the diesel engine and the electronic exhaust valve. Disclosed is a DPF regeneration system for a diesel engine for agricultural machinery including an electronic exhaust valve, characterized in that it includes a control unit.
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