This paper summarized the experience of Professor XU Jingshi in using Lyu'emei （

Flos Mume

）. Taking the viewpoint that “miscellaneous diseases are caused by the constraint， and should be treated by calming the middle”， XU believes that Lyu'emei can be used to treat the miscellaneous diseases of

qi

constraint and internal damage， as it can move

qi

as aromatic medicinals， and is good at mediating the

qi

movement in the middle

jiao

（焦）， with the function of soothing the liver and harmonizing the stomach， awakening the spleen and dissolving phlegm. Its effects are mainly reflected in four aspects. Firstly， Lyu'emei can be used to calm the middle and reinforce healthy

qi

， and

Fuzheng Anzhong Decoction

（扶正安中汤） is formulated to treat the spleen and stomach related symptoms after tumor surgery. Secondly， as it can soothe the liver， move

qi

， and resolve the wood constraint， Lyu'emei together with other medicinals is made into

Liyu Formula

（理郁方） for constraint syndrome. Thirdly， as aromatic medicinals， Lyu'emei can awaken the spleen， harmonize stomach and dissolve phlegm， and can be used together with

Liujunzi Decoction

（六君子汤） to constitute

Hanre Tiaozhong Formula

（寒热调中方） for spleen and stomach diseases. Lastly， having the function of regulating the liver and rectifying the lung， resolving constraint and calming the mind， it is used to formulate

Jieyu Anmian Formula

（解郁安眠方）； simultaneously，

Anshen Buxin Elixir

（安神补心丹），

Ganmai Dazao Decoction

（甘麦大枣汤） and

Jiaotai Pill

（交泰丸） are often used together with Lyu'emei for insomnia.