In 1942, Wu Guanzhong graduated from the Hangzhou National College of Art, during this period, Wu very fond of Van Gogh, Gauguin, and prefer to use strong colors such as red and purple in his oil painting works, and he entitled a pen name for himself as “Wu Tucha”, later changed as “Tu”.
Sa 1942, Wu Guanzhong nagtapos mula sa Hangzhou National College of Art, sa panahon na ito, Wu tunay mahilig ng Van Gogh, Gauguin, at ang ginustong gamitin na malakas na kulay tulad ng pula at lila sa kanyang langis painting gumagana, at siya ay may karapatan sa isang panulat pangalan para sa kanyang sarili bilang "Wu Tucha", mamaya nagbago na "Tu".