Children like to write on desks. Is there any way to correct it?

You can buy some auxiliary tools, and there are tools to correct your child's sitting posture online. Parents can supervise their children while they are doing their homework.

You can also give your child a calligraphy class and ask the teacher to correct the child's sitting posture.

Parents should also communicate with their children to make them conscious and pay attention to sitting posture every time they write homework.