In vitro experimental studies of the antiopisthorchiasis properties of currently available non-drug treatment are ofgreat practical value. The studies demonstrated that the herbal drug ecorsol and the background resonance radiation of the Opisthorchis spectrum exerted an anti-helminthic effect that was evaluated by the marital death and amounted to 83.6 to 96.4%. The experimental studies provided evidence that the background radiation, by using the electromagnetic spectrum of Opisthorchis, had a sufficient helminthocidal effect on mature Opisthorchis felineus in the in vitro experiment, which allows these means to be recommended for the non-drug treatment of chronic opisthorchiasis.