The degree of malnutrition (mild) (moderate severe Weight<x 15~25% 25~40% 40%以上 subcutaneous fa f abdomen 0.8~0.4cm >0.4cm di sapear Little lower Much lower Length norma than normal than normal Irritability Spirit status No change Low emotion apathy muscle normal hypotonia atrophyThe degree of malnutrition I （mild） II (moderate) III （severe） Weight<X 15～25％ 25～40％ 40％以上 Subcutaneous fat of abdomen 0.8 ～0.4cm >0.4cm disapear Length normal Little lower than normal Much lower than normal Spirit status No change Low emotion Irritability apathy muscle normal Hypotonia atrophy