This article summarized Professor PENG Qinghua's experience in treatment of dry eyes with principles of "moistening with acrid medicinals". It is believed that the root cause of dry eyes with "

yin

fluids deficiency" phenomenon is that

yang qi

deficiency， deficient cold generating， and

yin

fluids stagnation；

yang qi

blocking inside，

yin

fluids fail to move；

yin

exhaustion and fluid consumption， deficient

yang

rising. In clinic， "moistening with acrid medicinals" could be the basic therapeutic methods. For patients with

yang

-deficiency and fluids-stagnation syndrome， acrid and warm medicinals could be used for warming

yang

and dispersing

cold， moving fluids， and transforming

yin

stagnation， commonly choosing Fuizi （

Aconiti Lateralis Radix Praeparata

）， Ganjiang （

Zingiber officinale Rosc

）， Xixin （

Asari Radix et Rhizoma

） and so on. If there is spleen

yang

deficiency， modified

Fuzi Lizhong Pill

（附子理中丸） could be used， if lung

yang

deficiency， modified

Xiaoqinglong Decoction

（小青龙汤） could be used， and if kidney

yang

deficiency， modified

Jinkui Shenqi Pill

（金匮肾气丸） could be used. For patients with

yang

-stagnation and fluids-retention syndrome， acrid and warm and opening medicinals could be used for expelling

yang

and resolving constraint， unblocking stagnation and moving fluids， to spread

yang qi

and free

yin

fluids， commonly choosing Mahuang （

Ephedra sinica Stapf

）， Guizhi （

Ramulus Cinnamomi

）， Chaihu （

Bupleuri Radix

） and so on. If there is

yang

stagnation in exterior parts， modified

Mahuang Guizhi

-

Like Formulas

（麻桂类方） were commonly used， and for

yang

stagnation inside the body， modified

Sini Powder

（四逆散） were commonly used. For patients with

yin

-deficiency and fluids-exhaustion syndrome， on the basis of tonifying

yin

and generating fluids medicinals like Xiyangshen （

Panax quinquefolius L.

）， Nanshashen （

Adenophorae Radix

）， Beishashen （

Glehniae Radix

）， Yuzhu （

Polygonati Odorati Rhizoma

） or

Zengye Decoction

（增液汤）， combined with the method of moistening with acrid medicinals， so

yin

and

yang

transforming with each other without dryness， and the common medicinals include Renshen （

Ginseng Radix et Rhizoma

）， Huangqi （

Astragali Radix

）， Roucongrong （

Cistanches Herba

）， Rougui （

Cinnamomi Cortex

） and so on.