武漢作戦
During the Battle of Shanghai, he was one of the top military assistants of Chiang Kai Shek. It was his idea to seek a decisive action in Southern China, rather than confronting the Japanese in Northern China, where Nationalist troops were in poor condition and lacked transporting vehicles. After the fall of Shanghai and of Nanjing, Chen moved to Hubei to command the Battle of Wuhan in 1938. Wuhan was the provisional headquarters of the Chinese Army. The Japanese, however, managed, despite heavy losses to defeat the Chinese and captured Wuhan on October 25, 1938.