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The treatments recorded in Volume 9 of *Xiaopin Fang* are as follows:

Formulas for treating the administration of Hanshi San (Cold Food Powder).
Formulas for treating various conditions triggered by the activation of Hanshi San.
Various judgments for treating diseases transmitted after administration (to be verified).
The above three items.

Administration of herbal medicines (Caomu) causes rapid activation, requiring dietary regulation; administration of mineral and metallic substances (Jinshi) has a slow onset but is difficult to subside. Those who initially see effects are due to the potency of herbal medicines, whereas mineral substances prolong the process over days and months. Herbal medicines subside when used in small amounts, while the momentum of stone drugs remains unfulfilled. Patients who do not understand how to regulate and observe the drug's condition may mistakenly believe the illness has ceased entirely, leading them to continue taking medicine. Some, finding the illness stubborn and the medication mild, double the dosage of stone drugs; others mix various types of stones indiscriminately. The nature of stone drugs: their essence and qi harmonize with the Five Elements, thereby benefiting the Zang-Fu organs (internal organs), while their turbid and impure parts resemble ash and soil. However, if the patient's blood and Qi are deficient and unable to circulate and eliminate stasis, hard accumulations form. If the essence and qi of the stone drugs do not activate, the body becomes cold as ice. Yet patients expect heat upon ingestion of the stones; seeing no immediate heat, they increase the dosage. Seeing no immediate effect, they deem the drug ineffective. When the drug eventually activates later, they fail to suspect it is caused by the stones and refuse to treat it according to protocols for dissipating stone toxins, opting instead for other therapies, which often leads to harm.

Dao Hong Daoren formulated the *Sanjie Duizhi Fang* (Formula for Counteracting Dissipation), discussing the harmony between opposing herbs and minerals. Although some cases serve as evidence of activation, people have blindly changed practices without reflecting on ancient and modern medical texts. When the powder activates, they hastily take these new formulas in emergencies, failing to cure the disease and instead inviting disaster. Hanshi San has long been known as a difficult-to-manage medicine. Those who have not taken it did so out of caution. Since one seeks benefit by taking it, those who have already taken it must study methods of rescue and resolution to save themselves when it activates later. If one ingests medicines containing five stones but lacks knowledgeable rescuers at home, and instead trusts new counteractive formulas and changes practices, abandoning correctness for error, is this not wasting life and misusing medicine? Consulting the *Shennong Bencao Jing* (Divine Farmer's Materia Medica), which describes the properties and flavors of herbs and minerals, there is no mention of counteractive harmonies or specific indications of activation. Any theory of counteractive harmony is based on the *Bencao Jing*. Furthermore, the formula for Hanshi San states the main indications and annotates ingredients but does not explain the specific mechanisms of treatment or the nature of counteractive harmonies and activation. Reviewing Huangfu Mi's (courtesy name Shian, style name Shi'an) *Sanjie Shuo* (Discourse on Dissipation) and guidelines for administration and regulation, there is also no mention of counteractive harmonies or activation. Similarly, the method proposed by the Bingqiu family, using warmth to treat discoloration from drug failure, lacks such theories. If one considers opposing drug properties as miraculous, consider that Gualou (Trichosanthis Fructus) is incompatible with Ganjiang (Zingiberis Rhizoma); this is a major harm in counteractive therapy. Dao Hong discusses counteraction but fails to distinguish this point; how can his formulas be followed? I do not follow them. One should adhere to Huangfu Mi's guidelines and remove Gualou, which is beneficial. For those with heat syndromes, the original medicine should not be taken; only those with cold syndromes should take it, thus naturally excluding Gualou. For deficiency consumption and weak legs, replace Gualou with Shihu (Dendrobii Caulis) in a ratio of ten parts. For wind-cold causing rebellious Qi and cough, replace Gualou with Ziwan (Asteris Radix) in a ratio of ten parts. These two methods are excellent. For miscellaneous chronic diseases, simply remove Gualou; do not add other substances.