Pseudomonas aeruginosa is a conditional pathogenic bacterium that can colonize the upper respiratory tract of pigs.If infected pigs do not have strong immunity or are in a stress state,it is likely to develop Pseudomonas aeruginosa,leading to diseases such as arthritis and meningitis in pigs,seriously damaging the economic benefits of pig farmers.This is very detrimental to the healthy development of China's pig industry.Considering the importance of early diagnosis for the prevention and control of Pseudomonas aeruginosa,this article analyzes Pseudomonas aeruginosa and focuses on the laboratory detection methods of Pseudomonas aeruginosa,in order to lay a foundation for the comprehensive prevention and control of Pseudomonas aeruginosa.