Abstract: Objective To observe the change of pulmonary function in patients with severe acute respiretory syndrome (SARS) in convalescence and evaluate the effect for pulmonary function in patients with SARS.Methods There were 10 patients in SARS group and 13 persons in control group, VC,FVC,FEV1.0%,V25%～50%,RV and DLCO were determined.Results The Results showed that VC,FVC and DLCO in patients with SARS were significantly lower than those in controls.Conclusion Pulmonary function in patients with SARS was damaged.Restrictive ventilation disturbance and diffusion disturbance may be characteristic manifast. Examined the pulmonary function of patients with SARS, may realize status of pulmonary function in patients in time.

Key words: Severe acute respiretory syndrome (SARS), Pulmonary function