Anti-Pseudomonas aeruginosa infection drugs are: 1, semi-synthetic penicillins, such as aloxacillin, piperacillin, of which piperacillin plus enzyme inhibitor, piperacillin sulbactam sodium better efficacy. 2, cephalosporins, the third generation of cephalosporins in ceftazidime the strongest role, and cefoperazone, cefpiramide. The fourth-generation cephalosporins include cefpirome and cefepime, which have stronger antibacterial activity and are still effective against ceftazidime-resistant strains. 3. Quinolones, there are ciprofloxacin, levofloxacin, flurofloxacin, etc. Clinical anti-Pseudomonas aeruginosa, if treated with a single antibiotic, prone to drug-resistant strains, and currently choose the combination of drugs.