OBJECTIVE To evaluate the curative effect of acute cerebral stroke influenced by lower respiratory tract infection. METHODS To adopt previous way to compare one group included 178 cases with lower respiratory tract infection with the other group included 172 cases which had not been infected,and the relationship between the contact of lower respiratory tract infection and curative effect of acute cerebral stroke. RESULTS The neural function defects′score of the infected group was higher than the noninfected group(P