The paper summarized professor ZHANG Zhiyuan′s experience in using Gualou（Fructus Trichosanthis）. The function of Gualou included "removing stagnation and dissipating constipation"

as well as "nourishing the lung and boosting the stomach and intestine". The former referred to the diffusion and dispersion of qi movement and melancholy mood

by dispelling the accumulated phlegm

heat toxin

and food retention. The latter referred to the nourishment of lung

stomach and intestine by dispelling dryness and engendering liquid

as Gualou is sweet and moistened. In clinical practice

the whole fruit of Gualou was recommended

and large doses had better effects without advers effects. It was commonly used to treat diseases related with upper jiao and middle jiao

such as chest bì

pleural rheum

cough

constipation

and acute mastitis.