历代医家认为小儿致病，不外六淫侵袭，饮食所伤，至于情志病变，唯有大惊卒恐，其余“五志”概未论及。如《温病条辨·解儿难》曰“古称难治者，莫如小儿，名曰哑科．以疾痛烦苦，不能自达，且其脏腑薄，藩篱疏，易于传变，肌肤嫩，神气祛、易于感触。…… 惟较之成人，无七情 The ancient physicians think that pediatric pathology, but the invasion of six kinky, diet injury, as emotional illness, only terrified, the rest of the “Five” has not been addressed. Such as “temperature disease discrimination · difficult to solve children,” said "ancient name of those who are refractory, such as children, the name of mute Branch. Pain to pain, can not reach, and its viscera thin, feudal sparse, easy to pass change, tender skin , Feeling cured, easy to feel ... But compared to adults, no seven emotions