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Scorpion (Quanxie): Sweet and pungent in flavor, neutral in nature, toxic. Enters the Liver Meridian. Primarily treats pediatric wind epilepsy (epilepsy caused by wind pathogen), with convulsions of the hands and feet; adult stroke, with deviation of the mouth and eyes; deafness due to wind-phlegm; urticaria-like skin rashes caused by wind-toxin. Those from Qingzhou that are tight and small are considered superior. Before use, remove salt and soil, stir-fry until yellow, and then use.

Commentary: The main therapeutic effects of scorpions are all related to wind syndromes. In the Five Elements theory, the Liver corresponds to the Xun trigram, which symbolizes wind; therefore, scorpions are suitable for entering exclusively into the Liver Meridian. Scorpions like to sting people, and severe cases can even be fatal. A male scorpion sting causes pain localized in one area, which can be treated by applying well mud; replace it when it becomes slightly warm. A female scorpion sting causes pain radiating throughout various parts of the body. Apply rainwater flowing from under the eaves of a tiled house; if no rain has fallen, draw fresh water for application. If the hands or feet are stung, soak them directly in cold water, replacing it as soon as it becomes slightly warm. For other body parts where soaking is not feasible, apply a cloth soaked in cold water, replacing it when it warms up slightly. Observing its preference for cold confirms that it is undoubtedly a drug with extreme heat properties. Current pharmacopoeias do not record its nature, only Ri Hua Zi describes it as neutral. Thus, it is recorded here tentatively. This is the substance referred to as "Jielang" in medical texts.

Five Lingzhi (Wulingzhi): Sweet in flavor, warm in nature, non-toxic. Enters the Heart and Liver meridians. Primarily treats cold qi pain in the heart and abdomen, intestinal wind (blood in stool) and postpartum blood syncope, pediatric malnutrition warts. It can remove corneal opacities, ward off epidemic qi, and detoxify snake venom. Best prepared by grinding with wine and refining (a processing method to make the powder fine and pure), removing any grinding stones. Raw form promotes blood circulation, while stir-fried form stops bleeding.

Commentary: Wulingzhi specializes in treating blood disorders. Since the Heart governs blood and the Liver stores blood, it enters both meridians. It rapidly moves Qi and Blood; excessive use should be avoided to prevent damage to the Zang-Fu organs.

Centipede (Wugong): Pungent in flavor, warm in nature, toxic. Its meridian tropism is not recorded in literature. Primarily treats pediatric trismus (lockjaw), Gui Zhu and Gu poison, various snake venoms, kills parasites causing warm malaria, eliminates three types of worms (intestinal parasites), treats cold-heat nodules in the heart and abdomen, removes blood stasis, and induces abortion. Remove the head and feet, stir-fry slowly until yellow, and then use. Centipedes are repelled by slugs, millipedes, garlic, and chicken manure.

Commentary: The centipede most resembles the millipede (Bazu Chong). However, the millipede's legs are finer and denser, its body does not stiffen after death, it has white flesh on its head, and its face and pointed mouth distinguish it. Its toxicity is even greater, so it should not be used lightly.

Lei Gong stated: When using centipedes, do not use millipedes (Qianzu Chong). They look similar, but millipedes have horn-like flesh on their heads, and their faces and mouths are pointed. If mistakenly used, they emit a fishy odor, and ingestion can lead to death. To process centipedes, place poplar wood sawdust in a vessel, stir-fry until the sawdust is charred black, discard the sawdust, and use a bamboo knife to scrape off the legs before use.