I don't know the weight and physical fitness of the landlord himself. Even for people with a large weight base, it is difficult to weigh 30 A Jin months. However, if the landlord is not afraid of hurting his health, he can try a 2 1 day diet, which is very effective, but it may be good for his health. If you want to be relatively healthy, you can control your daily calorie intake. It is better and more reasonable to eat 1 100~ 1300 calories a day, plus exercise and moderate muscle training. You can search Duoyan Zheng diet.