Changchun is the birthplace of China's automobile industry. Changchun first automobile factory has a special cultural value and demonstration value. As the connection point of Changchun's industrial history, the block landscape of Changchun no.1 automobile factory is an important part of the historical landscape of Changchun, a famous national historical and cultural city. The historic and cultural district of Changchun no. 1 automobile factory has left a lot of industrial heritage, historic buildings and characteristic landscape elements in the historical accumulation, and gradually formed a historical and cultural district with distinct industrial characteristics. The purpose of this paper is to explore how to better protect and update the landscape environment of the historic and cultural district with distinct industrial characteristics by taking the landscape environment of the historic and cultural district of Changchun no.1 automobile factory as the research point. Firstly, this paper analyzes the relevant background of the paper, sorts out the development process and trends of relevant research at home and abroad, and prepares relevant questionnaires. Secondly, the development and protection status of the historical and cultural block landscape are investigated and analyzed through the questionnaire, which provides theoretical basis and experience enlightenment for the systematic analysis and landscape characteristic research of the historical and cultural block of the first automobile factory. Finally, it summarizes the value of industrial elements in historical and cultural blocks, summarizes the principles and strategies of protection and renewal, proposes specific protection and renewal measures, and tests the feasibility of the theory through design cases. The results showed that the proportion of respondents in different age groups was 5.80%, 21.4%, 25.80%, 27.2% and 17.8%, respectively. According to relevant data and field survey statistics, there are 128 cultural relic protection units in the block, including 112 state-level cultural relic protection units and 16 city-level cultural relic protection units. 2 buildings with historical features are recommended; There are 50 historic buildings in harmony with the traditional style of the block, and 72 buildings out of harmony with the traditional style.