The most effective way for women to lose weight depends on the cause of obesity. If it is caused by improper daily life, such as overeating and too little exercise, then we need to improve our daily life and choose low-fat and low-calorie foods in our diet. Generally, coarse grains can be used as staple food, with low calories and rich crude fiber. After crude fiber enters the human body, it can make the human body feel full and suppress appetite, which has a certain positive effect on weight loss. It is also necessary to eat more fresh vegetables and fruits. The cellulose, vitamins and trace elements contained in fresh vegetables and fruits can inhibit the proliferation of fat in the human body, accelerate metabolism and consume excess calories in the human body. Exercise requires more aerobic exercise, such as swimming, mountain climbing and fitness. These aerobic exercises can promote the flow of fat layer in human body and accelerate the consumption of fat oxidation in human body. If female obesity is caused by excessive hormone secretion caused by endocrine disorders, then the most effective way to lose weight is to reduce endocrine disorders caused by some bad factors, such as environment, diet and stress. In short, women who want to lose weight can get twice the result with half the effort by choosing targeted methods.