After a whole day's work, parents often feel pain and swelling in their feet. Anne Holly Johnson, an expert in ankle plastic surgery at the Massachusetts General Hospital in Boston, USA, explained that if the foot bears the weight of the human body for a long time, but the lower body does not exercise properly, blood will rush to the foot, causing pain or swelling, even for people who sit and work. If you worry about swollen feet every day, The Wall Street Journal has the following three suggestions to relieve leg pain. 1. Buy half a yard of high heels: When wearing high heels, all the weight of the body will increase at the front end of the sole, and the leg pain will be aggravated. Therefore, in addition to buying high-heeled shoes with thick soles and low heels, Anne also suggested buying half a size shoes with a thin insole in front to create more space for toes and avoid being squeezed. Or in the office, take off your high heels and put on comfortable flat shoes to rest your feet.