Raman analyzers can be applied to online analysis and testing of chemical components in automated production of chemical (oil refining, fertilizer) industries. They are an indispensable and powerful tool for optimizing process processes and promoting the improvement of production efficiency in the chemical industry. In the production process of chemical synthesis, Raman analyzer can provide real-time online material composition analysis, effective component analysis, designated component analysis, prohibited component analysis, principal component analysis, and can reflect problems in the special reaction process of chemical production in real time. The data results are output in the form specified by the customer, and the customer can intervene and control the production process accurately in real time based on the online analysis results, Ensure the normal operation of the production process. Raman analyzer provides online analysis of chemical reaction process data, which can help increase product yield, reduce deviation between product quality and standard values, ensure product quality, reduce production costs, and improve overall economic benefits.