Take the above patient as an example, the patient’s daily carbohydrate requirement should be approximated as follows: 1830*60%=1098kcal,1098÷4=275g. The patient’s daily protein requirement: 1830*12%=219.6kcal,2194.5÷4=55g. The patient’s daily fat requirement: 1830*28%=512.4kcal, 512.4÷9=57g.