"The study examines children’s use of part of speech, high-frequency words, and vocabulary when narrating wordless picture books. A total of 90 children of ages 3, 5, and 6 participated in this study. The researcher used Child Language Data Exchange System (CHILDES) to analyze children’s spoken language samples when they told a story using wordless picture books. The data was translated, coded, and analyzed. Results indicate that firstly, these three groups of children used words with a variety of parts of speech in narration. Secondly, children preferred using more content words to using function words, with verb being the majority, followed by noun, adverb, and pronoun. Thirdly, their preferred content words were verbs. Conjunctions were the most frequently used function word. Fourthly, for the high-frequency words, children often used “rán hòu,”(conjunction) “ jiù” and “ zài” (adverb), and “tā”(pronoun).” Fifthly, except numeral and helping verb, children’s vocabulary grew through development, specifically in the use of nouns, verbs, and adverbs. Limitations and suggestions for future research are offered at the end of discussion."