The contents came from the postcard famous places in China. The several pictures imported to the computer were turned to be about 8 minutes video image by means of multimedia technology. In the video, it can be watched that the postcard staves drawn on were screened from right to left slowly. When the postcard moves to the middle of the screen, the most part of the outline of the picture will be dotted by different color. The music is composed according to the dots on the staves and played by various instruments.