Words, like people, have a center of gravity, and they are all in a straight line from head to toe, so people don't seem to fall. Then beginners can use this principle to write and write when they write. On the basis of copying, first keep the words from' upside down', especially for children.
If children want to write well, they must first write neatly and correctly, and then practice their skills to look good.
Then if you want to practice calligraphy, you have to start from an early age, not only to grasp the characters, but also to grasp the posture, so that children can practice calligraphy well on the basis of health.