Result: The abridged Vietnamese version of the Qi Blood Yin Yang Deficiency Pattern (QBYYDP) questionnaire on the elderly consists of 27 questions (male: 26 questions and female: 27 questions) with Cronbach's Alpha of 0.895 (male) and 0.871 (female), the sensitivities Qi deficiency region, Blood deficiency region, Yin deficiency region, and Yang deficiency region were: 62.50%, 66.67%, 44.12%, 37.5% (male), 63.04% (female), respectively; the specificity 95.9%, 50.89%, 76.95%, 69.49% (male) and 75.74% (female), respectively, the area under the ROC curve of the questionnaires were > 0.6.