It is best to do some aerobic exercise. Running is certain. Here, you should make your own running time according to your physique, and then you can add some running time to yourself every day. You should also have healthy eating habits. Eat junk food every time (hamburger, cola, fried, puffed food, beer, barbecue, etc. It's hard for you to run away in ten days. Alternating aerobic and anaerobic exercise can make your body get the best strengthening. These simple things must be adhered to.