By reviewing the content of dampness disease in

Popular Guide to the 'Treatise on Cold Damage'

（《通俗伤寒论》）， this paper explores its understanding of the characteristics of the syndrome and treatment methods of dampness diseases from four aspects including etiology and pathogenesis， syndrome differentiation and treatment system， disease transmission law， and diagnostic and treatment methods. It is believed that

Popular Guide to the 'Treatise on Cold Damage'

not only absorbs the principles， methods， formulas， and medicinals of cold damage and warm diseases， but also combines the influence of various factors such as climate， geography and humanities in Shaoxing on the disease. It not only enriches the etiology and unifies the syndrome differentiation and treatment system， but also innovatively puts forward the theory of "disease transforming towards fire， water and both" and unique diagnosis system. Moreover， it also points out that the treatment of dampness disease should focus on opening constraint

qi

movement， paying attention to warm medicine and implementing staged treatment.