From the health point of view, moderate exercise is good for people's body and mind, which can improve their physique and immunity, reduce the risk of illness and relieve stress and anxiety. If I have to exercise, I would suggest choosing a fitness method that suits me, such as running, yoga, swimming, gym and so on. In order to achieve the effect of exercise. However, the way and intensity of exercise should be adjusted according to the individual's physical condition and health condition to avoid excessive exercise or injury. If you must exercise, you can consider the following fitness methods suitable for the public:

1. Running: Running is a simple and easy aerobic exercise, which can effectively improve heart and lung function, promote metabolism, consume excess fat in the body and help to lose weight. Beginners can start jogging or brisk walking and gradually increase the running time and distance.

2. Yoga: Yoga is a comprehensive way of exercise, which can improve the flexibility, balance and strength of the body through various postures, and at the same time can alleviate problems such as stress and anxiety. Beginners can choose a yoga genre that suits them, such as Yin Yoga and Bikram Yoga.

3. Swimming: Swimming is a whole-body exercise, which can exercise all parts of the body, relieve stress and improve mental health. Beginners can learn the basic swimming posture and gradually increase the swimming time and intensity.

4. Gym: The gym is a place where all kinds of fitness equipment and training equipment gather, and you can exercise through aerobic exercise and strength training. Beginners can choose a training plan that suits them, such as aerobic exercise and equipment training.

Finally, no matter what exercise mode you choose, you should adjust it according to your physical condition and health condition to avoid excessive exercise or injury. At the same time, the frequency and time of exercise should be appropriate, and it is not advisable to exercise too much at one time. For different people, the suitable exercise methods are also different. Here are some exercise methods suitable for different groups of people:

1. For young people or beginners, you can choose some mild aerobic exercise, such as jogging, brisk walking and cycling. And gradually increase the intensity and time of exercise. At the same time, you can also choose some simple strength training, such as push-ups and sit-ups, to improve your physical strength.

2. For the elderly, you can choose some low-intensity aerobic exercises, such as walking, Tai Ji Chuan, Qigong, and some light-weight training, such as lifting dumbbells and making tension bands, to maintain the flexibility and strength of your body.

3. For those who want to lose weight, you can choose some aerobic exercises, such as jogging, swimming and skipping rope. These exercises can help burn excess fat in the body and achieve the effect of losing weight. At the same time, strength training can also be used to increase muscle mass, thus accelerating metabolism and reducing fat accumulation.

For those who want to relieve stress and anxiety, you can choose some relaxing exercises, such as yoga, pilates, meditation, etc. These exercises help to relax, relieve stress and anxiety, and improve mental health.

Finally, people of all ages should adjust according to their physical condition and health condition to avoid excessive exercise or injury. At the same time, we should also pay attention to maintaining good eating habits and routine in order to achieve good health.