Objective Viscera gasification dysfunction is the basic pathogenesis of urination，Recovery function of viscera gasification to water metabolism in normal is the fundamental principle of treatment of urination。“Treatise on Febrile Diseases” on urination of differentiation of symptoms and signs have the following rules and characteristics。（1）Dispel evil，smooth the Qi；（2）Promote healthy qi，viscera function recovery of gasification；（3）Don’t forget to water treatment gas blood；（4）Water bodies，to restore the function of viscera gasification。