In the modern environment, the inheritance of excellent theater culture faces great obstacles, and education is an important means of cultural inheritance. The use of “big data analysis” in theater education plays an important role in cultural inheritance. The technology is meant to be utilized for semester analysis, teaching design, teaching reform, teaching reflection, student behavioral analysis, and student performance warning in drama education. Principal component analysis was used to analyze the influence indicators of cultural heritage in colleges and universities. The results of correlation analysis show that there are no indicators with a small coefficient of variation and true correlation coefficient greater than 0.95 or more, and the independence of the nine evaluation indicators designed in this paper is good. Through principal component analysis, the 5 principal components extracted in this paper about big data analysis contain the drama education indicators designed in this paper, which are the key elements contributing to the cultural heritage of colleges and universities.