Objective:To explore the pharmaceutical care model for the patients with acute lung injury/acute respiratory distress syndrome ( ALI/ARDS) caused by inhalation of chemical agents to ensure the safety, rationality and effectiveness of drugs. Methods:According to the characteristics of drug therapy for the patients with ALI/ARDS caused by inhalation of chemical agents, the pharma-ceutical care was carried out and the suggestions on the medication were given. Results:Through the pharmaceutical care, the safety, reasonability and effectiveness were improved. And the incidence of adverse drug reactions was decreased. Conclusion: Cooperating with clinical physician, clinical pharmacists can perform active pharmaceutical service and optimize dosage regimen, which is beneficial to the safety, reasonability and effectiveness of drug therapy for the patients.