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From birth until the first month is full, pig milk (pig's milk) should be taken frequently and freshly, and dripped into the infant's mouth. (When a suckling pig drinks from its mother, lifting its hind legs allows for easy collection of milk upon weaning.)

The *Qianjin Fang* (Prescriptions Worth a Thousand Gold) states: For infants, use old clothes worn by the father; for female infants, use old clothes worn by the mother. Do not use new cotton wadding. It is absolutely crucial not to overdress them, as this may cause intense heat and lead to epilepsy (epilepsy), starting from here. (Chao Yuanfang stated: When an infant is first born, the skin and muscles are not yet formed. One should not dress them warmly, as warmth causes the sinews and bones to become loose and weak. They should be exposed to wind and sunlight occasionally. If they do not see wind or sunlight, their skin and flesh will become brittle and soft, making them susceptible to injury. Infants are often kept inside curtains with heavy clothing for warmth. This is like being in a shady place without wind or sunlight—soft, fragile, and unable to withstand wind and cold. Infants should wear clothes made of old cotton wadding, not new cotton. When the weather is warm and windless, carry the child to play in the sun. Frequent exposure to wind and sunlight will harmonize the blood and qi, make the muscles firm and dense, enable tolerance of wind and cold, and prevent disease. One should also practice dressing lightly, starting from autumn. One must not suddenly reduce clothing in spring and summer, causing the child to suffer from wind and cold. In winter, only padded jackets, quilted garments, and similar items with old cotton should be used. Families often love their children excessively, using overly thick cotton clothing, which is actually harmful. One must adjust appropriately and avoid letting the child sweat, as sweating damages the body's resistance, leading to susceptibility to wind and cold. This caution applies whether awake or asleep.)

Mr. Tang said: Infant feeding and nursing must follow proper methods. "Nursing" refers to milk; "feeding" refers to solid food. After nursing, one must not immediately give food; after feeding, one should immediately nurse. Infants have weak spleen and stomach. If milk and food are ingested together, they are difficult to digest. By the age of one year, this will inevitably lead to the formation of "milk mass" (lactation-induced abdominal mass) in the abdomen, causing pain and fever. The illness originates from this. (Zhu Danxi said: An infant's intestines and stomach are still delicate and narrow. Thick, sticky, dry, hard, sour, salty, sweet, spicy foods, as well as all meat, fish, fruits, wet noodles, baked, and fried foods, are all difficult to digest and generate heat. These should be strictly prohibited. Only cooked vegetables and white rice porridge should be given. This not only prevents disease but also cultivates virtue. Additionally, raw chestnuts are salty in flavor, and dried persimmons are cool in nature, which can assist in nourishing yin. However, chestnuts are too tonifying, and persimmons are too astringent; both are difficult to digest and should be given in small amounts. Ignorant mothers indulge their children out of fear of crying, giving everything they ask for, accumulating chronic diseases. Regret comes too late. Thus, children spoiled by wealth and privilege often fall ill frequently and remain physically weak into adulthood. They cannot abstain from certain foods to maintain health nor eat vegetarian food during mourning to fulfill ritual propriety. If minor details are not observed carefully, how can major principles be treated with caution? As for the wet nurse, she must be particularly disciplined. What she eats enters her milk directly. Emotional desires affect her milk channels. Pathogenic qi entering the milk becomes stagnant. If the infant receives this milk, disease strikes immediately. Symptoms include vomiting or diarrhea, sores or fever, stomatitis (mouth ulcers), convulsions, or abdominal pain. At the onset of illness, urine output is necessarily low. One must inquire carefully and treat the mother according to the syndrome. If the mother is well, the infant is well. This way, disaster can be eliminated before it manifests.)