This paper summarized CHAO Enxiang′s experience in treating lung caner-related fever with

yin

-nourishing and

qi

-boosting therapy. It is believed that the core pathogenesis of the disease is the deficiency of both

qi

and

yin

， the disturbance of

qi

movement and the accumulation of heat toxin. In clinical practice， the treatment methods of boosting

qi

and nourishing

yin

， regulating

qi

movement， and clearing heat， resolving toxins and dissipating masses should be adopted. By taking the deficiency of both

qi

and

yin

as the root，

Shengmai Powder

（生脉散） is determined as the main prescription. According to the state of

zang

-

fu organs

s （脏腑） and

qi

movement， the herbal medicine for regulating

qi

movement are selected. According to the degree of toxin and blood stasis， and the characteristics of heat tendency， the herbs for clearing heat， resolving toxin and dissipating masses are combined.