1 Subject and method rn1.1 Subject 121 SAH patients treated in our department from January 1996 to August 2001 were chosen, 93 male cases and 28 female cases with ages from 35 to 55 and the average age of (43.0± 3.2), they were all taken in hospital in 72 hours after first attack and they were all accorded with the standards set in the 2nd national cerebral vessels academic conference of 1996. the scores were 35～ 45 and they were conformed with CT or MRI, the cerebrospinal fluid showed positive result and there were no other severe compliments, the relatives were willing to take YZK treatment. rn