Day 1: Eat all fruits except bananas. The next day: eat all vegetables except soybeans and corn. Day 3: Eat all fruits and vegetables except bananas, potatoes and corn. Day 4: Eat 8 bananas, 8 cups of milk and vegetable soup. Day 5: Eat beef and 6 tomatoes, then drink 8 cups of mineral water (the body fat has been decomposed into acidic substances within 4 days, so you need to drink more water and excrete it through urination.