Of course, if there is an electronic scale, the gap between the front and the back can reach one catty. However, the real weight lost is definitely not a catty. Sauna and bathing can consume about 355 calories per hour, which has high drainage effect and will suddenly lose a lot of weight. If you eat less salt at this time, drink a little water. You can lose weight and eat less salt, because salt will keep your body hydrated and even cause edema.