" Battle of Songhu " is the most heavy casualties during the War of Resistance against Japan, which involved army, navy and air force. Although the armed forces of the Republic of China failed to repel the Japanese invasion, they succeeded in driving the Japanese military major force into Songhu areas. This battle encouraged the nation’s morale, united the determination of whole country to sacrifice for homeland. " Battle of Songhu " is not only a campaign, but also a turning point of Japanese military from strength to weakness. As Japanese troops moved to east China, it trapped military main force in the most critical situation which the Japanese army "quick fix" strategy can not be practiced. On the other hand, " Battle of Songhu " inspired spiritual power of the Chinese nation and woke up the people willpower of Republic of China to fight against Japanese invasion. It promoted government, military and people of Republic of China to construct a great wall of solidarity to defend the nation.