Resolving method in Shang Han Lun

Resolving method (Xiao Fa 消法) is one of the eight therapeutic methods in Shang Han Lun (Treatise on Cold Damage) written by Zhang Zhong-jing in the East Han Dynasty (3th century, about 200-219 AD).
Resolving method (Xiao Fa 消法) is through the promotion of digestion and dispersion of accumulation or lumps to eliminate pathogens and the stagnation of qi （气）, blood （血）, phlegm （痰）, retained food （食）, water （水）, parasites （虫） and the like. It will gradually disperse them so that eventually all the accumulation and stagnation will disappear. The concept of Resolving method (Xiao Fa 消法) is quite wide ranging and the condition this method treats are quite diverse. For example, resolving phlegm, removing damp, expelling parasites, regulating qi and regulating blood are all within the wide concept of Resolving method (Xiao Fa 消法). In modern TCM practice, Resolving method (Xiao Fa 消法) is normally referring to clearing stagnated food and to disperse lumps, masses and accumulations.
In Shang Han Lun, though, Resolving method (Xiao Fa 消法), there are examples for regulating the flow of qi , such as Sini San (四逆散Powder for Treating Cold Limbs); sending down abnormally ascending qi, such as Xuanfu Dezhe Tang (旋复代赭汤Decoction of Inula and Red Ochre); clearing away phlegm and heat in the chest, such as Xiao Xianxiong Tang (小陷胸汤Minor Chest Bind Decoction); promoting blood circulation,, such as Didang Tang (抵当汤Resistant and Withstanding Decoction) and Didang Wan (抵当丸Resistant and Withstanding Pill); removing dampness by dieresis, such as Zhuling Tang (猪苓汤Polyporus Decoction); and eliminating parasites, such as Wumei Wan (乌梅丸 Mume Pill).