小儿纯阳“最早见于唐末宋初之《颅国经》，对于”纯阳“之义，全国中医函授教材《中医儿科学｝）的解释是：”所谓’纯阳’这是指小儿3岁以下，真受父母先天之气，真元未耗，其生长力旺盛而言。“而同一套教材中《中医各家学说》注释”纯阳“为：”纯，单丝也，细弱之义，小儿阳气钢弱， Pure Yang of Pediatric “was first seen in the Book of the Sutra of the Sutra in the late Tang Dynasty and the early Song Dynasty. The explanation for the meaning of ” Pure Yang “is that” Chinese Pediatrics “is called” Pure Yang “ Refers to children under 3 years of age, really innocent parents of gas, real dollars are not consumed, its growth potential exuberant terms. ”The same set of textbooks,“ Chinese medicine doctrine, ”Notes “ Pure Yang ”as: " Pure, monofilament also, the weak sense of justice,