Abstract: Among many battles between Ming and Qing Dynasty，the Battle of 1629 ( also known as the Battle of Ji-Si Year) has yet to be properly researched and evaluated． From the perspective of military affairs，this battle does not standout as an important event． However，if one looks it from the perspective of culture，it has a profound connotation of its own． In the authors，the Battle of Ji-Si Year was important，not because which side won or lost on the battlefield，but because it reflected the opposing ideas of war among the new nobles of Manchuria，represented by Huang Taiji，and the established conservative nobler． Indeed，this battle becomes a watershed between new and old ideas of war． The battle also becomes a starting point of new concepts of war within Manchuria society． Finally，the battle greatly advanced the cultural transformation of the Manchuria elite groups as a whole．