Walking one kilometer can consume about 25 calories, and everyone's weight and walking style will also affect this value; The best time to lose weight by walking is one hour after meals, and the walking time is within 40-45 minutes. The first part is to walk at normal speed 10 minutes, remember not to walk too fast. After that, walk at twice the previous speed for 20-25 minutes, and you can't stop while walking, otherwise it will be invalid. Everyone should remember; Since then, they have been walking at the same time every day. Because muscles have memories, they will know that they need to burn fat at this time to achieve the purpose of slimming. Don't worry about the result, you can't lose weight in a day. Just like you don't gain weight in a day, you will get excellent grades in 2-3 months. Don't be impatient, wait patiently.