(A) pz values of Candida albicans with different drug resistance. a: p < .05, compared with the cross‐resistant strains. b: p < .05, compared with the FCA‐resistant strains. c: p < .05, compared with the ITR‐resistant strains. (B) Secreted aspartyl proteinases (Saps) activity of C. albicans treated with different concentrations of ritonavir (RIT). Upper: The formation of colony ring and transparent ring in C. albicans with different concentrations of RIT. Lower: pz value of C. albicans with different concentrations of RIT. a: p < .05, compared with the strains treated with 0 μg/ml RIT. b: p < .05, compared with the strains treated with 2 μg/ml RIT. c: p < .05, compared with the strains treated with 8 μg/ml RIT. FCA, fluconazole; ITR, itraconazole; VRC, voriconazole