Though as a child, he received some basic training in Chinese classical painting techniques from his father, he started to experiment in the world of modern western art after his enrollment in painting schools in Canton and Shanghai.
小時候，李仲生隨著父親學習圖畫與書法，但從進入廣州美專西畫科及上海美專繪畫研究所後，他即走入了西畫的領域。這時期他已開始探索西方現代畫派。