ObjectiveTo observe the therapeutic effect of the Tizanidine hydroehloride combined with non-steroidal anti-inflammatory drugs (NSAIDs) on fibromyalgia syndrome. MethodsA total of 166 patients collected from August 2011 to January 2013 were randomly divided into control group and treatment group (with 83 cases in each group), the NSAIDs was used for control group, and for the other group, the Tizanidine hydroehloride combined with NSAIDs was used. The patients in two groups were continuously treated for 2 weeks. And the first and second week after treatment, the psychological evaluation,visual analogue pain, activities of daily living were detected. During the treatment period, the average follow-up duration was 3 months. ResultsThe clinical efficacy was better after treatment in both of the two groups. The clinical efficacy was more significant in treatment group than that in the control group, and the occurrence of gastrointestinal discomfort were less in the treatment group than that in the control group. ConclusionTizanidine hydroehloride combined with NSAIDs is effective on fibromyalgia syndrome. And the Tizanidine hydroehloride can protect the gastrointestine from being injured.