Oyster powder is an astringent, which consists of Radix Astragali, Radix Ephedrae, Concha Ostreae, and wheat. It has the functions of astringing yin, arresting sweating, benefiting qi and consolidating exterior. Indications are spontaneous sweating and night sweats, with sweating, palpitation, shortness of breath, pale tongue and weak pulse as the key points of syndrome differentiation. In terms of compatibility, oysters are salty and slightly cold, astringing yin and suppressing yang, and arresting sweating are the monarch drugs. Spontaneous sweating is mostly caused by qi deficiency, and raw Astragalus membranaceus can replenish qi and strengthen health, and it is a minister medicine to strengthen exterior and stop sweating. The combination of monarch and minister, taking both the specimen and the specimen into consideration, is especially effective in stopping sweating. Ephedra root works specially to relieve astringency and sweat, and is an adjuvant medicine; Wheat is sweet and cool, which is specialized in entering the heart meridian, nourishing the heart yin, benefiting the heart qi, and clearing away the heart trouble. It is also an adjuvant medicine. The combination of various drugs can not only replenish qi and consolidate exterior, but also astringe yin and stop sweating, so that sweating can be stopped when qi and yin are restored.

Yupingfeng powder is a qi-invigorating agent, which is composed of Radix Saposhnikoviae, Radix Astragali and Atractylodis Macrocephalae. It has the effects of benefiting qi, consolidating exterior surface and stopping sweating, and is mainly used for treating spontaneous sweating due to exterior deficiency, and sweating leads to bad wind. White tongue and weak pulse are the key points of syndrome differentiation. In the aspect of compatibility, this prescription takes Astragalus as the monarch drug, which is sweet and warm, and can not only replenish the middle qi to benefit the lung qi, but also strengthen the exterior and stop sweating. I used Baizhu Yiqi Jianpai to help Huangqi invigorate qi and strengthen exterior. Two drugs should be used in combination, which is the fundamental method to strengthen healthy qi. Deficiency of exterior and weak defense of qi is easy to be invaded by wind evil, so it is assisted by wind-proof and exterior to dispel wind evil, and "Astragalus membranaceus is windproof, and the greater its power", it is both fearful and exciting. The combination of the three drugs can strengthen the exterior qi and strengthen the muscles and stomach, and also dispel wind and evil, tonify the middle energizer and disperse, which does not harm the right, and tonify the evil, and * * * plays the role of strengthening the exterior and stopping sweating. The name of jade screen means that its function is like a barrier against the wind, which means it is as precious as jade.

both of them can tonify qi, strengthen exterior surface and stop sweating, and are used to treat spontaneous sweating due to deficiency of qi and insecurity of exterior defense. Muli powder is a combination of nourishing and astringing, focusing on astringing yin and subduing yang, and it has strong astringent and antiperspirant power, and is often used to treat spontaneous sweating and night sweats due to insecurity of the exterior of the Wei and stagnation of the heart and yang. Yupingfeng Powder is mainly based on invigorating qi, with reinforcing as the solid, and it has a strong power of tonifying deficiency. Besides, Astragalus membranaceus and Saposhnikovia divaricata are matched, and reinforcing the middle and dispersing, so it is often used to treat spontaneous sweating due to qi deficiency and weak defense, or to treat people with deficiency who are susceptible to wind evil.