《相火之谜:为何厥阴属“风”,少阳独掌“火”?》 episode artwork

EPISODE · Jul 2, 2025 · 7 MIN

《相火之谜:为何厥阴属“风”,少阳独掌“火”?》

from 智慧中医

问曰:天阳生地火,故心生包络之相火,包络之血下藏于肝,故肝寄相火,是木火一家之义也,乃包络与肝名厥阴经,统称风气,不称相火,而少阳胆与三焦独言火,君火、相火后世之说,与六气不合一气,治之何也? 答曰:包络称相火,乃后世之说,非《内经》本义,《内经》只言膻中者,臣使之官,喜乐出焉,谓相心布化,血脉畅则喜乐。凡人血足则不怯寒,可知血属热气,不专属火,故肝与包络不称相火,惟包络与三焦通,故三焦之火能合于包络。肝与胆相连,故曰肝能化火,究竟火气全归于胆,乃是从木生出之火。胆系连肝,膈通膜网即三焦也。胆火之化全在三焦连网中往来,故胆与三焦同司相火。火逆呕苦,黄芩为正药,苦而绿色,故入胆也。柴胡得木气透达,使火不郁。荷叶亦能清散胆火,象震而味苦故也。青黛色青味苦,清三焦肝胆之火,质轻清,故治喉证。《内经》示:二阴一阳结为喉痹。二阴是少阴主热,一阳是少阳主火,热与火结,则为喉痹。故治喉症,总宜祛火而兼清热也。蓝叶治肝胆之火,较青黛之性略沉,海金沙子结叶间,如胆附肝之象而味苦,能清火,故为治砂淋等之要药。三焦与胆通,惟胆中相火结,三焦之水乃结,此药以结解结,故治之。五倍子亦子在叶间,而味带咸,故润降,润去肺之痰火,实亦清胆,以其子在叶间也。又清三焦,以三焦根于肾,系五倍子咸,又能入肾故也。桑寄生附木而生,象胆附肝,味酸,苦得木火之味能清胆火,治风热筋脉结等症。胆通三焦之网膜,外连于筋,寄生如藤,附木象人之筋也。龙胆草苦而根多,故主降胆与三焦之火。胡黄连中空,与黄芩均能走膜中空窍,而味极苦,正治相火,故主痨蒸。此与黄连之苦不同,黄连得苦之正味,故入心泻热,胆草、胡黄连得苦兼酸之变味,故入肝胆及三焦。夏枯草正秉春少阳之气而生,至夏则枯,味亦苦,正清肝胆及三焦之火。瘰疬者,顶上筋脉之结也,此草蔓生象人筋脉,质轻浮走上焦,故治颈上之结,又取自枯有消耗之义。青蒿色青味苦,正治肝胆之相火,其节中必生红虫,乃感风化而生之虫也,故青蒿为去风清热之药。人之痨虫皆肝气相火相煽而生,假血以成质,故必骨蒸,乃生痨虫。青蒿节以虫杀虫,消瘀去蒸,借虫以攻血,借风气以散郁火也。防己味似龙胆而中空,能通膜网,故能清三焦相火,以利其水。栝蒌实、子有油而气烈,包有瓤而味苦,捣烂合用能解膈膜之痰火。山豆根色白味苦,入肺泻火,盖以金平木,则火不上而克金矣,故治喉痛。喉是少阴心与三焦之证。豆根治木火,是治三焦也。马齿苋叶内有水银,得金水之性也,味酸气寒,故能清三焦之火以利水。鲤鱼胆、青鱼胆以类入肝胆,味苦又生水中,正得水性,为治肝胆火之正药,故治喉目。熊生于山,而毛兽秉风性,胆又极苦,故入肝胆清火而治喉目。地骨皮极厚,象人膜,味苦气寒,故清三焦之火。三焦与胆同司相火,然三焦之根在肾,肾中阳气上通,亦以三焦为路道,故肾能移热于三焦。地骨皮入土极深,得土下泉水之气,故能清肾水中之热,能泻命门中热也。

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《相火之谜:为何厥阴属“风”,少阳独掌“火”?》

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