Some words in Chinese Buddhist Sutra, for example, Perfection of Wisdom, are so difficult to understand that we realize only Chinese literature is not enough to do vocabulary research. While through Sanskrit-English-Chinese proofreading, we can discover words meaning. This paper exemplifies the proofreading way with 11 examples such as 證,相,學,地,受,得門,離,無分數;畢竟,久行.