In order to explore the metaverse as a hot spot for emerging industries, and to solve the problem of unclear research focus in the field of domestic Metaverse, a patent text analysis method based on LDA topic model is proposed. By applying LDA topic model to do the patent text analysis of domestic Metaverse industry, combined with human judgement and topic perplexity methods, the identification and classification of patent technology topic have been achieved. Through empirical research, some conclusions are as follows. Artificial intelligence, blockchain, cloud computing, etc. are hotspot technologies of practical patent of domestic Metaverse industry. Analyzing the patent text of domestic Metaverse by LDA topic model, which can classify and segment technology hot topics on domestic Metaverse industry. It also can provide suggestions for the future of Metaverse industry development in China.