2. Seriously practice the starting, running and running of each stroke, and learn to close the pen before writing the next stroke, so that you can not only reach the Qi Li, but also extend the service life of the brush;
3. Before each writing, soak in clear water for a while, and then write after the pen tip becomes soft;
4. Wash the pen every time you finish writing, and wash the ink in the nib as clean as possible;
5, wash the pen, do not squeeze the water dry, hang the brush on the pen holder, the pen tip will naturally sag, so that the pen tip can remain sharp when it is dry.