This article demonstrates how to utilize ChatGPT 4.0 for summarization, particularly in the realms of market research and product design. By generating summaries and offering insights, ChatGPT aids marketing teams in formulating effective marketing strategies and assists product teams in analyzing user feedback to enhance product design. Employing ChatGPT for summarization saves time, extracts key information, and supports decision-making. This technology holds broad application prospects in the field of information summarization.