李永昌是新安四大家之一汪之瑞的老师，实为新安画派之先锋人物。他的山水多仿元人风格，作品多野逸清秀。世称新安画派诸名家，多为不慕名利之文人，诗画俱从静悟中来，多得新安山水清灵之气。李永昌的《竹石图》，以元吴镇《竹石图》为蓝本，自题“……稍得形似，尚未可语神韵也”。其实，以其音调清越，已与梅花道人不相伯仲。由此，亦可看到新安画派源于元人这一清晰脉络。
English is introduced
       Li Yongchang, the word Zhou Sheng, the Yellow Sea, the late Ming and early Qing Anhui Xiuning. And Cheng Jia Sui create days are sent, Gong Yin said: "Mengyang open days are faction, to Zhou Sheng and gas foot force, Meng Yang like Yunlin, Zhou Shitian Ishida imitation Yunlin, Meng Yang Cheng Jiasui, Zhou Sheng Li Yongchang, all days are people, and later way jade, Wang Zunsu, monk Jiang, Wu Dai concept, Wang no Rui, Sun without Yi, Cheng Muqian, check the two-look also are the two people who are also all gentlemen, Days are sent. "Handed down works" Gang Ling map volume. "
       Li Yongchang is one of the four Xin'an Wang Rui of the teacher, in fact, the pioneer of Xin'an painting. His landscape more than imitation of people style, works more wild Yat-ching. The world called the Xin'an School of Zhu Ming, mostly non-fame and fortune of the literati, poetry and painting are from the Jing Wuzhong, the more Xin'an landscape Qingling gas. Li Yongchang's "bamboo stone map" to the yuan Wuzhen "bamboo stone map" modeled on the title "... ... a little shape, yet the language charm." In fact, with its clear tone, has been with the plum blossom Taoist. As a result, you can see the Xin'an School originated in the clear context.