Lung infections with P. aeruginosa are usually treated for 7 to 14 days. Pseudomonas aeruginosa, also known as Pseudomonas aeruginosa, is a common conditionally pathogenic bacterium that is a gram-negative bacillus. Commonly used clinical drugs include semi-synthetic penicillins such as piperacillin, melphalan, and alloxacillin. Quinolones such as ciprofloxacin and ofloxacin can also be used for treatment. According to different patients’ physique, the corresponding treatment time is also different. Generally, for patients with mild symptoms, the infection can be controlled in a week’s time through effective anti-infection treatment. Some patients have more serious lung infections because of post-surgical infections, and it takes ten to fourteen days to recover at this time. The same disease patients with different physical conditions, different stages of the disease treatment methods are different, should be standardized treatment under the guidance of a doctor. The above drugs need to be used under the guidance of a doctor.