Based on the discussions in the

The Inner Canon of Yellow Emperor

（《黄帝内经》）， it is proposed that in the course of the disease， "bind" represents the initial stage of pulmonary nodules， while "accumulation" represents the final form. In terms of the pathogenesis， "two colds interacting" represented by "body cold" and "cold fluid retention" are the prerequisites for the formation of pulmonary nodules， while "disorder of

qi

" represented by "fainting" is the core of the formation. The specific manifestation is the disturbance of pivot of

shaoyang

（少阳） or

shaoyin

（少阴）， resulting in a complex of cold and heat， and then phlegm and stasis are suddenly generated and further formed into nodules. Therefore， the treatment principle should be to regulate the cardinal mechanism， dissolve phlegm and blood stasis. Depending on the complex degree of cold and heat，

it is suggested to use

Chaihu Guizhi Decoction

（柴胡桂枝汤），

Chaihu Guizhi Ganjiang Decoction

（柴胡桂枝干姜汤）， or

Chaihu Xianxiong Decoction

（柴胡陷胸汤） for disturbance of

shaoyang

pivot， while for

shaoyin

pivot dysfunction， modified

Mahuang Fuzi Xixin Decoction

（麻黄附子细辛汤） or

Shengjiang Powder

（升降散） can be used.