It is better to practice in the morning and evening. When is the best time to practice qigong? There are no hard and fast rules. Exercise for 20 to 30 minutes every day. The six-character formula pronounced with vocal cords consumes a lot of gas, so the amount of exercise is relatively large, which can appropriately shorten the exercise time; The six-character formula without vocal cords has less exercise, and the exercise time can be extended appropriately.