What the subject wants to ask is how to guide students to draw music graphs? Music graphic spectrum, also known as staff. The drawing method is as follows:

1. Each line of the staff and the space between lines are called the first line, the second line, the third line, the fourth line, the fifth line and the first room, the second room, the third room and the fourth room from bottom to top.

2. If the lines and spaces are not enough, you can add lines and spaces above or below the staff.

3. The extra line and the extra room are called the first line above, the first room above, the first line below and the first room below, respectively, each representing a sound level. The fixed height of these steps depends on the clef used.