Objective To screen high-yield teicoplanin producing strains. Methods After being treated by the Atmospheric and Room Temperature Plasma(ARTP) irradiation, spore suspension of teicoplanin producing strain Actinoplanes teichomyceticus FIM-68 was spreaded on the regenerating plate containing lethal concentration of teicoplanin. Teicoplanin-resistant mutants were picked up and screened by the shake flask fermentation. Results A high-yield mutant strain Actinoplanes teichomyceticus FIM-68-66 with genetic stabil...