The five principles of the correction method of flat feet: 1, the appropriate exercise can reduce flat feet Children’s feet to develop healthily, exercise is very important. In recent years the problem of children’s flat feet than in the 1980s rose about 20%, more obvious, one of the main reasons is the lack of exercise for children. Children should do more exercises, such as toe exercises, toe-grabbing glass ball exercises and bouncing exercises such as jumping rope and basketball, to improve the strength of the foot muscles and ligaments and promote the development of the foot arch. In addition, parents should also pay more attention to the children’s usual posture, especially children with “inward eight” feet or X-shaped legs, children who like to kneel and W-shaped sitting, parents should help them to develop the correct posture, so as to effectively reduce the sequelae of children caused by functional foot problems. 2, the correct choice of shoes can prevent the sequelae of flat feet Each stage of the growth of children’s feet should be different care methods. Parents should choose the right healthy shoes for their children, which is especially important for their healthy foot growth. By wearing the right shoes and insoles, children can reduce the chance of foot problems and ligament damage. He added that healthy shoes should have the following elements: 1, with different amplitude arch pads to support to relieve arch fatigue and prevent the sequelae of flat feet; 2, with a stiff heel cup to stabilize the heel bone and control the magnitude of rear foot exostosis; 3, with different circumference options for the forefoot to prevent the forefoot from being too loose or too tight and increase foot comfort; 4, with a shaped midsole design to help stabilize the foot shape and strengthen the support of the insole. 3, according to the different conditions to choose good warmth of shoes and socks such as cotton shoes, towel socks, both warm and comfortable, very suitable for small children to wear. Sneakers, rubber shoes and leather shoes are not good for warmth and heat dissipation, so they are not suitable. The size of shoes and socks should be slightly larger, and there should be a slight gap between the feet and shoes to facilitate air insulation and increase warmth. 4.Change and dry shoes and socks often Children are active, feet sweat easily, it is best to place insoles in the shoes to absorb moisture and sweat to reduce heat emission, and often change often sunshine, to ensure that the shoes are dry and warm. After the rain and snow days, shoes and socks get wet, to be promptly changed to the child. 5, every night with hot water to children’s feet every night before going to bed to insist on warm water to children wash their feet, lie down and cover the feet. This can make the child’s feet to avoid getting cold, both to prevent colds, but also to help children fall asleep faster, to improve the quality of sleep is also very good.