Unit4 Qi,Blood,andBodyfliudsThevitalsubstanceofbodyincludingQi,blood,bodyfluids,andessence.Thesevitalsubstanceplayanimportantroleinourmetabolismandhavecloseinteractwithorgans.Thispaperfirstlydescribetheoriginateofqi,blood,bodyfluids,andessence.Atthesametime,ittellsushowtheybuildtheinteractwithorgans.Secondly,thepaperdescribetheinter-relationshipofQiwithlungs,spleenandliver.AndintroducedthefunctionofQi.Bygiveexamplestoillustratethedisorderofqimovementcanresultinaseriesofsymptomsandcanbuildcorrespondingtreatment.Thirdly,theauthortellsusthebloodhavetherelationshipwiththeliver,spleen,andheart.Discusshowtheorganscontrolthebloodandthefunctionofblood.Ifthemovementofbloodisabnormalorthedeficiencyofbloodthatcauseaseriesofsymptoms.Besides,thispassagetellsustheessencehaveinteractwithkidneyandthebodyfluidshaverelationshipwithspleen.Nomattertheoriginateorstoredofessencebotharehaverelationshipwithkidney,anditplayaimportantroleinbody’sgrowth.Thetransportedofbodyfluidsalsoneedthefunctionofspleen.Thestateofpathologicalabouttheabnormalofmovementofbodyfluidsorthedisordersoffunctionofspleen.Thethemeofthispaperintendtotellsustheimportantofvitalsubstanceandit’sdeepinteractwithorgans.ItisaimportantpartinthetheoryofTCMthatitcanhelpustorecognizedisease.Unit5Zang-fuTheoryThezang-fuistheprincipaltheoryofTCM,whichistoexplainsthephysiologicalfunctionsofzang-fuandinterdependentrelationshipofzang-fu.zang-fuorgansarethoughtascomplexfunctionsystems.Thispaper,throughdescribethefunctionandcharacterofthezangandthefutodifferentiateofzangandfu.Atthesametime,thispaperdiscussthediscussnotonlythezang-fuhaveclosecontactwith relatedsenseorgansandbodytissues,butalsohavedeeprelationshipwithemotions.Andintroducethefunctionsofthezangorgansbrieflyandinter-relationshipofthezang-fuorgans.Indicatethatthezang-fusystemsiscomplexfunctionsystemswhichisbasedonconceptofwholism.Atlast,thispaperdescribetheapplicationofzang-futheory,suchashowtounderstandtheetiologyandpathogenesisofdisorders,differentiatesyndromesofdiseaseaccordingtozang-futheoryandsometreatmentprinciplesaccordingthezang-futheory.Thesubjectofthispaperintendtoshowtheimportanceofzang-futheoryinTCM,andthehumanformanorganicwholebymeridiansystem.Thezang-fuorgansplayavitalrole.