FIELD: medicine. SUBSTANCE: method involves determining biopotential value in acupuncture points of known meridian. The biopotential value being deviated in one or more points from the value of 50-60 conditional units or biopotential drop greater than 4 conditional units after the corresponding values being achieved, being observed, biopotential value is to be evaluated in the mentioned points under the influence of a diagnostic agent. The biopotential value coming to norm in the presence of the diagnostic agent in 10-30 g/ml dilution degree, acute stage is to be assigned, dilution degree being greater than or equal to 10-30 g/ml, chronic stage is to be assigned. Opistharchiasis diagnosis means has protein ingredient of homogenate of mature puberal marital forms of Opisthorchis felineus produced by centrifuging the homogenate and treating the liquid over sediment with ammonium sulfate. EFFECT: enhanced accuracy of diagnosis method. 2 cl
