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(Newly formulated by Xu Xugao) Used to treat chronic malaria (Malaria) resulting from deficiency of Ying Qi (Nutritive Qi) and weakness of Wei Qi (Defensive Qi), characterized by excessive sweating, aversion to wind, and chills.

Guizhi Tang (Cinnamon Twig Decoction), Baishao (White Peony Root), Huangqi (Astragalus Root, raw), Fangfeng (Saposhnikovia Root), Qinjiao (Gentiana Macrophylla Root), Danggui (Angelica Sinensis Root) (each 1 qian); Biejia (Tartaric Turtle Shell, fried with su/animal fat), Fuxiaomai (Floating Wheat) (each 3 qian); Zhigancao (Prepared Licorice Root).

Guizhi Huangqi Biejia Tang (Cinnamon Twig, Astragalus, and Turtle Shell Decoction) consists of Qinjiao, Shaoyao, Gancao, Danggui, and Fangfeng; combined with Fuxiaomai, Dazao (Jujube), and Shengjiang (Fresh Ginger), it treats chronic malaria in cases of Ying-Wei deficiency and excessive sweating. (Xu Xugao once treated a patient whose Yuan Qi (Primal Qi) had not yet recovered after illness, who then contracted Wind Pathogen (Wind Evil). The pathogen lodged in the Couli (interstices/skin pores), coexisting with Wei Qi, leading to Malaria that manifested at night with excessive sweating. I reasoned that since Malaria occurs at night, the pathogen resides in the Ying level. Since Ying Qi cannot harmonize with Wei Qi, excessive sweating and aversion to wind occur. This formula follows Zhang Zhongjing's Guizhi Tang, combined with Yupingfeng San (Jade Windscreen Powder), and incorporates Qinjiao, etc., resulting in a complete cure. Thereafter, whenever this formula was used to treat chronic malaria with slight Ying-Wei and Qi-Blood deficiency where pathogens still lingered, one or two herbs tonifying Qi and Blood were added according to the syndrome, along with a small amount of Chaihu (Bupleurum Root) to lift the Qi. It proved effective without fail. However, the method of application possesses its own subtleties: some patients take several doses consecutively; some take one dose every other day; or some take this formula today, a digestive-promoting medicine tomorrow, and this formula again the day after. Generally, patients with chronic malaria have weak and thin Spleen-Stomach function; if diet is slightly irregular, bloating arises. Therefore, the medication must combine dispersing and tonifying. This is but a limited insight from my tube, daring to submit it for the judgment of experts.)

Combining two formulas into one dose is called "Fufang" (Compound Formula) in the *Neijing* (Inner Canon).

Treating Taiyang Disease (Taiyang Syndrome) after eight or nine days, presenting with symptoms resembling malaria: fever and aversion to cold, with heat predominating over cold. The patient does not vomit, and bowel/bladder functions are relatively normal. The condition manifests two or three times a day. A faint pulse indicates deficiency of Zheng Qi (Upright Qi); a flushed complexion and itching sensation on the skin like insects crawling indicate that the pathogen has not yet been resolved. This is due to the inability to produce slight sweating. This formula should be used to induce sweating.

Take one-third of Guizhi Tang and one-third of Mahuang Tang (Ephedra Decoction), combined to form half a dose.

Treating Taiyang Disease where, after taking Guizhi Tang, profuse sweating occurred, allowing Wind Pathogen to enter through open pores while the Xuanfu (pores) subsequently closed, resulting in malaria-like symptoms manifesting twice a day.

Take 2 sheng of Guizhi Tang and 1 sheng of Mahuang Tang, combined to make 3 sheng, divided into two doses.