The ballroom dance is on a four-four beat, and the waltz is on a four-three beat. The dance steps of the flat four are relatively even, which is very suitable for beginners to learn; the three steps of the waltz are: falling, rising, rising. The first step is larger, the body is in a downward state, and then with the next step, the body gradually rises, and the third step At this time, the body reaches its highest position, and the cycle starts again and again.