For children to learn synchronous hard pen calligraphy, it is generally enough to learn * * in the fourth grade. Before the fourth grade, children learned some basic strokes and simple words. From the fourth grade, children began to learn more complicated contents such as radicals, stroke order and bookshelf structure. And with the growth of grade, children learn more and more knowledge, and the relative free time may be running out. In addition, hard-pen calligraphy practice needs persistent practice to improve gradually. Therefore, it is suggested that students stop learning hard pen calligraphy in the fourth grade or so.
However, each child's situation is different, and the specific learning progress and schedule should be adjusted according to the actual situation of the child.