Eleven-month-old babies can eat a small amount of oil, but not salt. Half a year old infants and young children can begin to add complementary foods, such as rice flour, formula milk, vegetable puree, fruit puree, etc., to help infants and young children to obtain a more comprehensive nutrition, and to promote the development of its digestive system, but the complementary foods need to follow the physiological development of infants and young children’s laws. Baby oil is generally used vegetable oils such as soybean oil, peanut oil, sesame oil, etc. is better, because it is easy to digest and rich in polyunsaturated fatty acids, vitamins A, E and other fat-soluble vitamins, and cooking with fats and oils can increase the flavor of food. On the eating less thin infants can be mixed into the porridge and vegetable puree cooked vegetable oil, or vegetables fried in oil to increase energy intake. Therefore, 11 months old babies can eat small amounts of oil, add 1g each time for the first meal, and after getting used to it, it can be increased to 5-10g per day. Preparation of infant diet, generally should not put salt or add monosodium glutamate, baby food should be light, adults often do not feel salty. Salt not only increase the burden on the kidneys, too much salt intake since childhood, is not good for health, easy to suffer from high blood pressure in the future. So 11 months of babies do not eat salt, in more than 1 year old, only to add a small amount of salt. Parents should feed their babies and young children reasonably to ensure their normal development and growth, and consult a doctor or a childcare professional if necessary.