Objective To discuss the mechanism on the clinical therapeutic effects of the modified suanzaoren decoction on insomnia differentiated as liver yin deficiency in the patients. Methods From September 2015 to September 2016,80 patients of insomnia differentiated as liver yin deficiency were randomized into a treatment group(40 cases) and a control group(40 cases). In the control group,the conventional medication with diazepam was used. In the treatment group,the modified suanzaoren decoction was used. In 3mon...