There is no fast way to lose weight in a week, because weight loss is a long-term, and requires perseverance process. If there is a fast weight loss method within a week, it must be with the aid of drugs, and these drugs may cause endocrine metabolic disorders, so it is recommended that scientific and healthy weight loss. The current healthier way to lose weight is to control diet and exercise, diet is recommended to be low calorie and very low calorie diet, the amount of calories per day can be controlled at about 1400 kcal, or even about 1000 kcal. Exercise, it is recommended that at least 30 minutes of aerobic exercise every day, you can jog, jump rope, swimming, etc.. If the diet and exercise control is not good, the weight is still fat, can be under the guidance of professional endocrinologists, with the help of certain drugs for weight loss, and currently approved in China, can be used for weight loss drugs are orlistat capsules.