Yao medicine combination extract playing role on bacteriostasis and lung clearing efficacies through air

The invention discloses a Yao medicinecombination extract playing a role on bacteriostasis and lung clearing efficacies through air. TheYao medicine combination extract is prepared from the following pharmaceutical ingredients in parts by weight: 2 to 40 parts of coptis chinensis, 2 to 40 parts of cingh bouh, 2 to 20 parts of Nepeta cataria L., 2 to 20 parts of honeysuckle flower, 2 to 20 parts of Dendranthema indicum (L.) Des Moul., 2 to 20 parts of Eupatorium stoechadosmum Hance, and 2 to 20 parts of houttuynia cordata. A preparation method comprises the following steps of smashing, baking and sterilizing the active pharmaceutical ingredients, and extracting to obtain the liquid Yao medicine extract playing a role on bacteriostasis efficacy through the air. An air quality detection result shows that the Yao medicine combination extract has definite efficacies on clearing away heat and toxic materials and ventilating lung, and can be beneficial to inhibiting bacteria in air and reducing morbidity of respirat