Objective To observe the effect of different doses of atorvastatin in the treatment of chronic heart failure of coronary heart disease (CHD), and to provide scientific reference for the choice of clinical medication. Methods 54 cases from June 2015 ~2017 year in April in our hospital with 20mg/d atorvastatin therapy regimen in the treatment of chronic heart failure of coronary heart disease patients as the study group, 54 cases of chronic heart failure of coronary heart disease patients with another force selected by 40mg/d atorvastatin therapy regimen as study group. LDL-C, LVESD, LVEDD, LVEF, hs-CRP, 6MWT, NT-proBNP and other indicators as evaluation basis, through the observation of the two groups before and after treatment the indexes to evaluate clinical efficacy, adverse events were observed after treatment in two groups. Results There was no significant difference between the groups before and after treatment, and there was no statistical significance(P<0.05). The indexes of clinical curative effect were improved in different degree after treatment, and the improvement effect in observation group was better than that in control group (P<0.05). Conclusion Atorvastatin 40mg daily oral drug treatment of chronic heart failure in patients with coronary heart disease is the best choice of atorvastatin dose, the dose range of atorvastatin treatment effectiveness and safety protection, improve clinical symptoms, promote the improvement of the quality of life, worthy of clinical application.