This research is based on the three main functions, Word List, Key Words and Concord in WordSmith Tools to analyze the pattern and distribution tendency of the frequently used vocabulary and collocation on the writing of 81 junior compositions in CATE-NCKU (Taiwanese Learner Corpus of Spanish-National Cheng Kung University). Furthermore, this paper compares and examines the differences and similarities with data compiled in the natural language corpus CLE (Spanish Corpus), and makes suggestions based on the research result to provide the reference of teaching design for related fields.