Selection of liquid foods for infants and young children and implementation of feeding: (a) Breastfeeding: Human milk is the most ideal natural food for infants and young children and has an irreplaceable role in their healthy growth and development (b) A healthy mother can provide all the nutritional requirements (nutrients, energy, fluid volume) needed for the normal growth of a full-term child up to 6 months of age. (c) A mother with general infectious diseases can continue breastfeeding: chronic hepatitis B carrier, HBsAg and HBeAg positive, high potency immunoglobulin and HBV vaccine given 12 hours after birth, cytomegalovirus positive mother, tuberculosis infection without clinical symptoms can continue breastfeeding. (d) WHO, American Academy of Pediatrics, and UNICEF recommend that infants should be exclusively breastfed for the first 6 months of life to achieve optimal growth, development and health. Conditions may allow continued breastfeeding for at least 12 months or longer. Conditions that make breastfeeding difficult for the mother: HIV infection, chronic wasting diseases such as chronic nephritis, diabetes, malignancy, tuberculosis, cardiac insufficiency, hepatitis B major.