Self-Written Poems is a handscroll written by Cai Xiang of the Northern Song dynasty. Cai Xiang was one of the Four Great Masters of Song calligraphy. His running script is refined, upright, and elegant, combining a disciplined structure with a gentle, fluent rhythm. This work shows his steady brush control and graceful movement, with characters that are calm, balanced, and richly expressive. It reflects the Song literati taste for clarity, restraint, and cultivated personal expression.