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Although the infant's physical form is complete, the sinews and bones are very soft, and the constitution is not yet solid, resembling the flexible branches and tender stems of a tree, which can be bent, straightened, or tilted at will. Therefore, within one hundred days after birth, the infant should not be held upright; holding them upright makes them prone to fright and inevitably leads to a drooping head and weak neck, with the danger of cervical collapse or deviation. Before six months of age, the infant should not sit alone; sitting alone allows wind-pathogens to enter the back, damaging the spinal column and causing deformities such as hunchback or kyphosis.

The wet-nurse should regulate her diet. Once food is swallowed, the milk flow becomes smooth; if desires stir in the heart, the milk channels respond accordingly, and pathogenic qi enters the milk, causing it to stagnate. If the infant consumes this milk, illness will arise immediately. When selecting a wet-nurse, she must be mentally alert and intelligent, have a gentle and pleasant temperament, possess full and robust muscles, be free from diseases, understand the appropriateness of cold and warmth, be able to regulate her diet, and produce thick, white milk, so that she may nurse the infant. Furthermore, the wet-nurse's diet should avoid excessive sourness and saltiness, and she should not drink alcohol frequently. However, the impact of dietary choices is relatively minor; what matters greatly is the wet-nurse's innate endowment (thick or thin), the slowness or urgency of her temperament, the firmness or fragility of her skeletal structure, and the goodness or badness of her virtue, as the infant will quickly imitate these traits. Therefore, careful selection is essential.

After bathing the placenta in clear water, wash it again with clear wine. Place one copper coin inside the placenta, put it in a new bottle, wrap the mouth with blue cloth, and wait until one month has passed. Then, select an auspicious day corresponding to Tian De (Heavenly Virtue), Yue De (Monthly Virtue), or Tian En (Heavenly Grace). Dig a pit three chi deep in a sunny, high, and dry place, bury the placenta there, compact the soil layer by layer to prevent damage, ensuring the child's health and strength; this matter must not be neglected.

When an infant is born with weak breath and unable to cry, it is usually due to difficult labor or stomach cold. Immediately wrap the infant in clothes and hold them close to the chest. Do not cut the umbilical cord immediately. Instead, place the placenta on charcoal fire to roast it. Simultaneously, make large paper torches, dip them in sesame oil, ignite them, and smoke the area under the umbilical cord repeatedly, allowing warm qi to enter the abdomen. Then, rinse the umbilical cord with hot vinegar water. After a short while, when the breath returns and the infant cries normally, the umbilical cord may be cut. Alternatively, moxibustion with Qi Ai (Artemisia argyi) on the umbilical cord is also effective.

When an infant is born with no skin all over the body, revealing only red meridians and red flesh, this is because the mother, after conception, lived for a long time in tall buildings without contact with earth qi. Use pure yellow earth ground into extremely fine powder, place it in a silk bag, and gently dust it on the infant three to four times a day, until the skin regenerates. Alternatively, using white glutinous rice powder for dusting is also acceptable.