Objective To explore Professor ZHOU Zhongying’s prescription experience and herb use features in malignant tumor treatment based on phlegm syndrome differentiation. Methods All the cases were diagnosed

treated and dictated by Professor ZHOU Zhongying. Students recorded and reserved the data

and contents recorded were input into Visual Fox Pro 6. 0 ZHOU Zhongying’ s Diagnosis and Treatment Database Management System.Analyze common herbs with drug using frequency and Logistic regression analysis. Analyze correlation between pathogenesis and herbs

symptoms and herbs using association rule and cluster analysis. Results Totally 453 herbs were involved in 1374 visits of cancer cases. Phlegmreducing

detoxification and cancer-preventing drugs includes:Shancigu（ Pseudobulb of Appendiculate Cremastra）

Jiangcan（ Bombyx Batryticatus）

Baihua Sheshecao（ Radix Ampelopsis） etc; Phlegm-reducing

cancer-preventing and stasis-removing drugs includes: Zhongjiefeng（ Glabrous Sarcandra Herb）

Shidachuan（ Chinese Sage Herb）

Guimantou（ Climbing Fig Receptacle） etc; Phlegm-reducing

cancer-preventing and deficiency-tonifying drugs includes: Taizishen（ Radix Pseudostellariae）

Baizhu（ Rhizoma Atractylodis Macrocephalae）

Huangqi（ Radix Astragali） etc; Phlegm-reducing

cancer-preventing and heat-clearing drugs includes: Banzhilian（ Herba Scutellariae Barbatae）

Banbianlian（ Chinese lobelia）

Fengfang（ Nidus Vespae）etc; Phlegm-reducing

cancer-preventing and stagnancy-relieving drugs includes; Xiangfu（ Rhizoma Cyperi）

Yujin（ Radix Curcumae）

Chenpi（ Pericarpium Citri Reticulatae） etc; Phlegm-reducing

cancer-preventing and stagnationdissipating drugs includes: Maozhuacao（ Radix Ranunculi Ternati）

Tiannanxing（ Rhizoma Arisaematis）

Fabanxia（ Rhizoma Pinelliae Preparatum） etc. Shancigu

Maozhuacao

Guimantou and Zeqi（ Euphorbia Helioscopia） are often used in phlegm-stasis syndrome. Shancigu

Loulu（ Radix Rhapontici）

Longkui（ Black Nightshade）

Baihuasheshecao and Banzhilian are often used in phlegm-heat syndrome. Shancigu

Jiangcan

Zhongjiefeng

Zeqi

Baihuasheshecao and Banzhilian are often used in phlegm-toxin syndrome. Taizishen

Huangqi and Xianhecao（ Hairyvein Agrimony）are often used in qi-deficiency syndrome. Nanshashen（ Radix Adenophorae）

Beishashen（ Radix Glehniae） and Maidong（ Radix Ophiopogonis） are often used in yin-deficiency syndrome. Fabanxia is often used in phlegm-damp syndrome. Chenpi and Bayuezha（ Akebia Quinata） are often used in qi-stagnancy syndrome. Baifuzi（ Rhizoma Typhonii） and Tiannanxing are often used in wind-phlegm syndrome. Conclusion Professor ZHOU Zhongying treats malignant tumor based on phlegm syndrome differentiation

and emphasizes on detoxification and cancer prevention. He strengthens the body resistance

tonifies deficiency

and pay attention to tonifying qi and nourishing yin; He advocates comprehesive methods and large prescriptions; He balances the underlying causes and the urgent symptoms

and lays emphasis on relieving patients’ pain.