Abstract: Objective To explore the effect of modified Chaizao decoction combined with Estazolam tablets on the insomnia severity index (ISI) and Pittsburgh sleep quality index (PSQI) in patients with phlegm-heat internal disturbance type insomnia. Methods By random number table method, 100 patients with phlegm-heat internal disturbance type insomnia treated in Tai'an Traditional Chinese Medicine Hospital were divided into a treatment group and a control group, with 50 patients in each group, the admission time was from January 2019 to December 2020. The control group was given Estazolam tablets, and the treatment group was given modified Chaizao decoction on the basis of the control group. The treatment effects, the scores of ISI and PSQI were compared between the two groups. Results The total effective rate of clinical treatment in the treatment group was higher than that in the control group, with a specific statistical difference (P<0.05); the ISI score in the treatment group after treatment was lower than that in the control group, with a specific statistical difference (P<0.05); after treatment, the PSQI score was lower than that of the control group, with a specific statistical difference (P<0.05). Conclusion The application of Chaizao decoction plus Estazolam tablets in the treatment of phlegm heat internal disturbance insomnia has a definite effect, which can improve the clinical symptoms, improve the therapeutic effect and improve the quality of sleep.

Key words: chaizao soup, insomnia, phlegm heat internal disturbance type, the severity of insomnia, pittsburgh sleep quality