Zhang Daqian (1899-1983), formerly known as Zhengquan, later renamed Yan, with the word Jiyan, and the name Daqian, a calligrapher from Neijiang, Sichuan. He is omnipotent in painting, calligraphy, seal cutting, and poetry, combined with painting style, craftsmanship and writing. It is praised as "Oriental Pen". Seal: Daqian. This work has distinct levels and harmonious colors. An ancient pine stood on the mountain, and the two friends talked happily under the ancient pine. The lake is flowing quietly under the mountain, and the two-leaf flat boat is moored to the shore, and the shore is lush and green. The stream flows from the shore. Residential buildings are concentrated here, quiet and peaceful. Not far away, the mountain peaks are stacked, red and green, and they are scattered.