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The *Jixiao Fang* (Collected Effective Prescriptions) records a method for treating "Yu Gou Jin Shui" (Imperial Ditch Golden Water): Use eight bamboo baskets, two chi in height. Fill them with pure soil from the mountains. Place eight porcelain bowls beneath them. Take eight buckets of tong bian (child's urine), pour it into the soil of seven baskets to filter through. Push the soil with jing hua shui (well water drawn at dawn). Collect the filtrate into the soil of the eighth basket. If the filtrate is insufficient, push the soil in the first seven baskets again with clear water and add the resulting liquid to the eighth basket. Let it sit overnight. Collect three to five bowls of the clean filtered water. Store it in a porcelain jar. Maintain the jar with well water externally. When encountering this condition, if the patient desires tea, warm and drink half a cup of this water to find relief. For severe cases, recovery occurs within no more than thirty-seven doses.

Its nature is neutral, and its taste is slightly salty with a hint of sweetness. It treats gu zheng (bone-steaming fever) in men and women, gan xue lao (dry blood consumption), tong zi lao (pediatric consumptive disease), and intense day-and-night fever in patients who refuse medication. This water differs from ordinary...

Zhang Yunan from Huizhou stated: The area is mountainous. During the transition between spring and summer, prolonged rains often cause the phenomenon of "Qi Jiao" (Rising Dragon). Villagers are accustomed to it and do not find it strange. One or two days before the dragon appears, sounds are heard underground, faintly like thunder or the bellowing of an ox. At the appointed time, a small hole, bean-sized, collapses in the earth. Water spurts from the hole straight up one or two chi, like an arrow. Gradually, the water rises and lengthens. When it reaches the eaves and connects with the drainage gutter, the water volume increases significantly. The hole below expands to the size of a bowl opening. The dragon resembles a loach or eel, emerging from the hole, riding the water upward. After crossing the eaves, its form enlarges, and it flies away in a surge. Houses remain unharmed. Only crops in fields one or two li away may be damaged due to water erosion. When the water first spurts one or two chi high, mountain people collect it in bottles and jars to drink. It grants immense strength. This is likely because the water originates from the dragon's mouth, infused with its vital energy, surging upward. All the dragon's power concentrates in this water; thus, humans cannot drink too much. Even robust individuals become bloated after three cups and cannot drink further. Locals use it to brew wine, which further enhances vitality and can cure xu lao (deficiency consumption).

Shan Dukewen said: When the dragon first appears, the water shoots like an arrow, clear as a spring vein, rising gradually. It must combine with heavenly rainwater to gain sufficient force to fly. When the dragon emerges, water begins to overflow from the hole, a phenomenon called "Fa Hong" (Emergence of Flood). If, at the beginning, one spoonful of river water is poured into the hole, the dragon water will flow back and fail to emerge. Alternatively, plugging the hole with a cloth stained by menstrual blood can also stop it. If a person feels bloated after drinking dragon water, decocting and drinking long-flowing river water from a thousand miles away can resolve the toxicity.

This water strengthens sinews and bones, fortifies the waist and knees, cures deficiency consumption, eliminates palpitations and fright, kills gu poison (parasitic disease), shi zhu (corpse transmission), gui zhu (ghost transmission), dun shi (hidden corpse pathogenic factors), and evil qi. Bathing with it treats sores and scabies. For weak individuals, using it instead of water to decoct tonic medicines yields excellent results. Its nature is ascending, capable of penetrating directly to the vertex.