1 calories are calories, one calorie is equivalent to 1000 calories, and 1000 calories is equivalent to about 6 ounces of food.

Breakfast with less than 300 calories, a cup of 250 ml milk 150 calories, an egg with 70 calories and a slice of toast with 60 calories.

Lunch with less than 600 calories, a bowl of rice 150 calories, braised pork ribs and other braised pork dishes with 250 calories, a fried vegetable with 80 calories and a bowl of seaweed soup with 40 calories.

Normal calorie intake

Daily calorie requirement of adults = basic calorie required for basic metabolism of human body+calorie required for physical activity+calorie required for digestion of food.

Heat required for digesting food = 10%x (minimum heat required for basic metabolism of human body+heat required for physical activity).

Daily calorie requirement of adults = 1. 1x (minimum basic calorie required for basic metabolism of human body+calorie required for physical activity).

Male, 9250- 10090 kJ.

Female, 7980-8820 kJ.

Note that the daily calories provided by food should not be less than 5,000-7,500 kilojoules, which is the least energy to maintain normal human life activities.