How can I practice hard pen calligraphy well?

Different people practice calligraphy for different purposes, so children need to practice the basic skills of horizontal and vertical strokes very solidly; Middle school students need to improve the exam-taking effect, properly strengthen the basic strokes, realize that many problems are the problems of basic strokes, properly strengthen some basic structures, and then strengthen the practice of paragraph writing; Adults arrange according to their own needs. After all, some people really want to practice calligraphy as a hobby, while others just want to write better at ordinary times.