1, through the power of the line. It mainly shows branches, vines, nepotism, animal mane, water waves and rolling mountains.
2, infected by color. It mainly shows the colors and shades of mountains, the rendering of water mist, and the bleak and prosperous plains.
3. The whimsy of design. The freehand brushwork of lines and colors has accomplished many unexpected interests because of its unpredictable writing results, which is beyond the reach of meticulous painters.
4. The visual impact of exaggeration and accidental amplification. Freehand brushwork landscape painting often inadvertently achieves the effect of inserting willows into the shade.