Through literature research

this paper aims to summarize the clinical strategy in prescription in Xianxingzhai Yixue Guang Biji（ Extensive Notes on Medicine from Xian Xing Studio

先醒斋医学广笔记） written by MIAO Xiyong

a physician in Ming Dynasty. It was summed up into two aspects

firstly

vary dosage according to the disease pattern

and secondly properly identify the timing of drinking the prescription. The former includes treating severe and lingering illness with heavy dosage

increasing dosage of medicines in a gradual manner

reducing dosage of medicines in a gradual manner

tentative prescription administering

following former prescription

and withdrawing the treatment once efficacy is achieved; the latter includes administering medicine while the patient is hungry

in fastingcondition

before sleep

while the day is in the afternoon

and after the prescription have been exposed to air over night

or take the prescription at any time. These are good demonstration of MIAO Xiyong’s rich and consummate medical attainments.