Library

The *Yangsheng Yaoji* (Essentials for Nourishing Life) states: If water is boiled before drinking, various diseases will have no opportunity to arise.

The *Cui Yuxi Shijing* (Dietary Classic of Cui Yuxi) states: In spring, it is suitable to consume Jiangshui (fermented grain beverage); in summer, it is suitable to consume honey water. [Current commentary: The *Daqing Jing* (Great Purity Scripture) states: The method for making honey syrup is as follows: Take two dou of white japonica rice, wash and rinse it thoroughly, steam and expose it to the air five times each, then add one shi of water and five dou of white honey, and boil the mixture together. Stop boiling when it boils again. Store it in earthenware jars. It becomes fragrant and delicious, tasting like milk. Making this drink in summer is excellent.] In autumn, it is suitable to consume tea water. [Current commentary: The *[Missing Name] Shijing* states: Pick the leaves of the tea seedling, steam them, dry them in the sun, mix with rice, pound into a paste, and make it into a porridge or drink; the effect is miraculous and good.] In winter, it is suitable to consume plain boiled water (Baiyin), which is called harmonizing water to nourish one's nature.

The *Yangsheng Yaoji* states: Wine, water, or fermented beverages that are not clear (cannot see the bottom) should not be drunk; drinking them can be fatal.
It also states: Well water that has not been boiled should not be drunk; drinking it can cause death.
It also states: Well water that suddenly becomes turbid or agitated without reason should not be drunk; it harms people.
It also states: Well water that surges on yin days should not be drunk during that month. It causes people to suffer from Warm Disease (Wenbing).
It also states: Do not drink newly drawn well water at night; swallowing "Longzi" (dragon offspring, referring to certain aquatic organisms or pathogens) can be fatal.
It also states: Spring water where birds emerge and flow should not be inhabited for long periods; frequent consumption leads to Ying disease (goiter).
It also states: Mountain water has strong cold properties; drinking it causes diarrhea, warm malaria, and swelling of goiters and tumors.
It also states: In summer, do not drink spring water from shady areas in mountains; it causes illness.
It also states: In summer, do not drink stagnant water from fields; it causes people to develop Bie Xia (abdominal mass resembling a turtle).
It also states: After the Start of Autumn, one must not drink water or fermented beverages; it is detrimental to health.
It also states: In summer, water should only be used to shade or reflect food/drink (indirect cooling/cleaning); direct consumption causes Cold Disease. [Mr. Ma says: This is an explanatory note.]
It also states: Ice must not be crushed and ground into food or drink; although it feels refreshing initially, long-term use inevitably causes illness.
It also states: When running, walking, or panting after riding a horse, one must not drink cold water on that day; it leads to ascending Qi and feverish sensations.
It also states: When drinking water, do not swallow hastily; this also forms Qi and Water Xia (accumulations).
It also states: Water that moves or agitates without reason should not be used to boil food; doing so can be fatal.
It also states: If one desires water but hears sloshing sounds in the chest and diaphragm area, take medicine to induce vomiting. If not vomited, it forms Water Xia, which is difficult to cure.
It also states: If one wakes up suddenly from sleep, do not drink water immediately; going back to sleep causes Shui Pi disease (water retention accumulation).

The *Cui Yuxi Shijing* states: People who frequently drink flowing sand-water from rivers will definitely develop goiters and tumors. It is advisable to soak Rhinoceros Horn (Xijiao) in the flowing water and then drink it to ward off malaria and goiter disasters.
It also states: When eating raw fish slices (Kuai) or meat, do not drink raw water; it generates white parasites.
It also states: When eating Perilla (Su), do not drink raw water; it grows parasites.
It also states: When eating spicy and lean foods, do not drink water; it produces roundworms (Hui Chong).
It also states: When eating crucian carp slices, do not drink water; it generates roundworms.

The *Bencao Shi Jin* (Dietary Prohibitions of Materia Medica) states: Drinking water or fermented beverages after hot tea causes heart pain; one must be extremely cautious.
It also states: Eating cold rice after meals causes Fei Wei (lung wasting disease).

The *Shanfu Jing* (Dietitian's Classic) states: When eating, do not use tea to wash down food. It causes Qi to rise and coughing/counterflow.

The *Qianjin Fang* (Prescriptions Worth a Thousand Gold) states: Do not drink cold water from deep, shady places; it definitely causes malaria.

The *Shijing* states: Drinking ice water after meals causes illness.
It also states: Drinking cold water after eating various cakes/biscuits causes Qi disease.

The *Qijuan Jing* (Seven Scrolls Scripture) states: When traveling far, upon encountering river water, do not wash your face first; it causes Bird disease (likely a typo for Eye disease or specific parasitic condition, literal translation retained).