笔墨,是中国写意画最基本的技法表征,二者密不可分。墨靠笔运,笔依墨现。笔不能离墨,离墨则无笔;墨不能离笔,离笔则无墨。但笔与墨的变化,除行笔变化外,关键在于用水。水虽无色,但墨色的多变,依水而存。清代张式《画潭》中曰:“笔法既领会,墨法尤当深究,画家用墨最吃紧事。墨法在用水,以墨为形,以水为气,气行形乃活矣。古人水墨并称,实是至理。”清代松年《颐园论画》也说:“万 Pen and ink, is the most basic representation of Chinese freehand painting techniques, the two are inseparable. Ink by pen, ink by ink. Pen can not leave the ink, there is no pen off ink; ink can not leave the pen, leaving the pen is no ink. But the pen and ink changes, in addition to pen changes, the key is to use water. Although colorless water, but changing color, according to the water and save. In the Qing dynasty, the style of ”painting the lake“ reads: ”The style of brushwork not only comprehends, the study of ink method is especially serious, and the painter uses ink is the most tense things. Carry on. The ancients ink and said, is the truth. “Qing Dynasty Song” Yiyuan painting "also said: