The sixth set is good. The practice time of the fifth set of radio gymnastics is about 20 minutes, which is relatively short and suitable for people who want to complete the exercise quickly. The practice time of the sixth set of radio gymnastics is about 30 minutes, which is relatively long and suitable for those who have enough time. Generally speaking, the fifth set of radio gymnastics is suitable for beginners and older people to practice. The movements are simple and the practice time is short. The sixth set of radio gymnastics is suitable for those who have a good foundation in sports, want to challenge themselves, and like to dance. Compared with the variety of movements and long practice time, the sixth set is better.