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Mr. Tang said: Infant feeding and nursing must be done with proper methods. "Nursing" refers to breastfeeding, while "feeding" refers to giving solid food. One should not give food immediately after breastfeeding, nor breastfeed immediately after feeding. This is because infants have weak spleen and stomach functions; if milk and food enter the body simultaneously, they are difficult to digest. By the age of one year, this will inevitably lead to "Ru Pi" (milk accumulation) or "Shi Pi" (food accumulation), causing pain and heat in the abdomen, from which "Gan disease" (infantile malnutrition syndrome) originates.

Mr. Danxi stated: When blood and qi are abundant, food is easily digested, so eating can be irregular. However, an infant's intestines and stomach remain fragile and narrow. Foods that are thick, sticky, dry, hard, sour, salty, sweet, or spicy, as well as all meat, fish, fruits, wet noodles, roasted, baked, simmered, or fried items, are substances that induce heat and are difficult to digest; these should be strictly prohibited. Only cooked vegetables and white rice porridge should be given. This not only prevents disease but also curbs gluttony, thereby fostering virtue. Additionally, raw chestnuts are salty in flavor, and dried persimmons are cool in nature, serving as aids to nourish yin. However, chestnuts are too tonifying, and persimmons are too astringent; both are difficult to digest and should be given sparingly.

Ignorant women often indulge their children out of fear of crying, giving them anything they want, eventually accumulating chronic illnesses, for which regret would be futile. Therefore, children raised in wealthy families with indulgence tend to be frequently ill. Upon reaching adulthood, their bones and sinews remain weak; they cannot observe dietary restrictions to maintain health when food is available, nor can they eat vegetarian food during mourning to fulfill ritual propriety. Neglecting minor details leads to a deficit in major principles. Can one not be cautious?

Regarding the wet nurse, strict dietary control is especially necessary. What the mother eats enters her milk supply; emotional states affect the quality of blood and qi. Thus, she should avoid excessive joy and anger. Contraindications include those suffering from bromhidrosis (fox odor), goiter (thyroid enlargement), or cough due to qi stagnation, as well as those with skin diseases like scabies and tinea, head sores, sparse hair, tight lips, deafness, hoarseness, nasal obstruction, or epilepsy. Such individuals should not breastfeed. During the intense heat of summer, after a bath, or if the infant is crying, breastfeeding should be avoided, as it may cause "stomach toxin" in the infant, leading to bloody and purulent dysentery in autumn. After bathing, the mother should rest until her breath stabilizes and internal heat dissipates before breastfeeding, thus avoiding harm.

Mr. Nie stated: Breastfeeding should not occur while the infant is crying violently, as this may cause qi rebellion and accumulation, potentially triggering convulsions. The *Qianjin Fang* discusses that infants should not be overfed; overfeeding leads to regurgitation and vomiting. If the milk flow is too forceful, some should be expressed first before feeding. Before nursing, the mother must squeeze out any residual "hot milk" (stagnant milk). If the mother wishes to sleep, she should support herself with her arm to keep the nipple level with the infant's head. When the mother feels sleepy, she should remove the nipple to prevent the infant from overeating and vomiting. During conjugal relations, if the infant is nearby or startled awake, breastfeeding must be avoided, as the chaotic state of qi at that time can be fatal to the infant. Chao Yuanfang stated: If an infant has not stopped crying and their breathing is irregular, the mother should not breastfeed, lest the milk fail to descend and stagnate in the chest and diaphragm, causing vomiting. The *Luxin Jing* states: In summer, failing to discard hot milk causes infant vomiting; in winter, failing to discard cold milk causes infant diarrhea and subsequent dysentery. Caution is paramount. At night, the mother should sit up and hold the infant while feeding. Every morning before the first feed, residual overnight milk must be squeezed out. Do not pour milk on the ground; if insects or ants consume it, it is believed to reduce milk production. It is better to pour it on the eastern wall.