The posture of writing chalk characters is mainly "standing face to face", that is, standing and writing facing an upright board. Because the blackboard is generally fixed, so in the process of writing, the feet should constantly change steps and translate. At the same time, with the change of writing process, standing on tiptoe, standing upright, or bending your knees are generally written on the eye level, so that students can see it and get good results. The distance between the body and the board should not be too far or too close. It is best to write freely with your arms. Too close, it will affect the line of sight and cause the line to be skewed; The distance is too far, the arm is weak, and it can't touch the blackboard surface, which causes the body to lean forward and lose its center of gravity, which affects the writing effect. The right arm holding the pen should not be straight, but should be curved to ensure the maximum swing space.