Physical fitness is a sign of the body’s strength and weakness, and the strength of children’s physical fitness is influenced by both congenital factors and acquired nutrition and physical exercise. Adequate nutrition is one of the necessary conditions for the growth and development of the body, the correct use of various factors in nature, such as air, sunlight and water exercise, can enhance physical fitness, improve general resistance and the ability to adapt to climate change, improve health and reduce disease. Notes on physical exercise: 1. be persistent and consistent; 2. be gradual; 3. pay attention to the individual differences of children; 4. exercise with a reasonable system of life. Several simple and easy to implement exercise methods 1, dress appropriately, avoid too much to change with the climate, often wear less is also a kind of exercise, you can start to develop habits from childhood, so that the skin better adapt to changes in the outside temperature. 2, outdoor activities According to the age of children and different seasonal characteristics, arrange a variety of different outdoor activities. The time and number of activities should be gradually increased. As long as it is windy and sunny and the outdoor temperature is above freezing, children can be allowed to be active outdoors frequently. 3, open window sleep and outdoor sleep Generally develop the habit of open window sleep first, later when the climate is warm, you can move to the outdoors. After developing the habit, to the fresh air outdoors children will be able to human sleep. Summer daytime outdoor sleep, can be in the shade. In the winter to pay attention to keep warm. 4, water bath The specific method of water bath can be based on the age characteristics of children and environmental temperature, choose a different water temperature and bathing methods, infants can be used after the umbilical cord off the water temperature fixed at 37 ~ 37.5 ℃ warm water bath, so that children in warm water activities. A shower or bath is a more intense method of water bath exercise. The water temperature at the beginning is about 35 ℃, and then gradually decreases to 26-28 ℃. When bathing with a spray bottle of water, from the upper limbs to the chest and back, lower limbs, not the head. Shower is slightly stronger than the shower, because of the temperature in addition to the mechanical pressure of the water, to play a certain massage effect. Generally start at the age of 2 to 3 years. 5, sunbathing daylight on the growth and development of children, metabolism and its functions play a good role, but must master the appropriate method and stimulation dose, in order to play its maximum effectiveness. Exercise can be quantitative sunlight exposure or full-body sunbathing. A wide-brimmed hat should be worn on the head and attention should be paid to eye protection; older children can wear sunglasses. Air bathing is also carried out at the same time as sunbathing. 6.Air bath Healthy children can take air baths from birth to growth. Air bathing can be selected at different temperatures. Generally start with indoor exercise, which can be combined with games and exercises. Children do not wear clothes except for underwear. The temperature is 20℃ or slightly higher at the beginning, and then gradually cools down to 10℃. Air bath should be carried out when the child is full of energy, and stop when he is sick. In case of high winds, excessive heat or high humidity, etc., it is not recommended. Air bath at the same time can be sunbathing, after doing so can be a shower or bath. 7, infant touch Infant touch is a full-body massage that begins in the newborn period. Choose the child after bathing or during the process of dressing, the room temperature is appropriate. Massage time from 5 minutes, and then gradually extended to 5 to 10 minutes, 1 to 2 times a day. Hands from the light start, slowly increase the strength, to the child’s comfortable cooperation is appropriate. Massage to the head, chest, abdomen, extremities, hands and feet, back order. Infant touch so that the whole body of the child’s muscles are massaged, promote blood circulation, and passively receive exercise. 8, gymnastics Gymnastics is a very beneficial whole body exercise, can promote muscle and bone growth, enhance respiration, cardiovascular function and metabolism, to enhance physical fitness, disease prevention purposes. ① infant passive gymnastics and active gymnastics: passive gymnastics is suitable for children from 2 to 6 months, completely with the help of adults. Passive exercise is suitable for 6 to 12 months old children, in adult support, with part of the active action. ②Bamboo drill: suitable for 12～18 months old children. Although the sections of the exercise are active movements, but still need to be driven by adults. For children who can not walk or just walking is still unstable, mainly exercise walking, forward, backward, balance, holding objects over obstacles and other actions. For children who walk steadily and have certain ability to move independently, focus on running, climbing and jumping. ③Children’s imitation exercise: applicable to children aged 1.5 to 3 years old. The use of active games such as running, throwing grenades or sandbags, rolling balls, standing long jump, etc.; also can be organized by the teacher running, jumping, throwing, balancing, climbing, drilling and climbing training. ④ Hand exercises, radio exercises and various aerobics: for children aged 3 to 6 years old, mainly to enhance the movement of large muscle groups, scapular muscles, back and abdominal muscles and the coordination of hand and foot movements.