Tài qīng fú qì kǒu jué 太清服氣口訣

Oral Instructions on Pneumatic-Consumption of the Great Clarity

Anonymous; Six Dynasties / Táng

A short orally-transmitted instruction manual (kǒu jué 口訣) on pneumatic-consumption (fú qì 服氣) — the Daoist practice of “eating qì” in lieu of (or supplementing) food, a central element of classical yǎng shēng cultivation. Preserved as DZ 822 / CT 822.