Through the statistical analysis of a total of 3,334 patients in the 35 included studies, QQC combined with CWM had advantages in the treatment of DCM, which is reflected in the clinical efficiency rate, the improvement of 6-MWT, LVEF, LVEDD, LVESD, and BNP, and the difference had statistical advantages. This evidence concerns the gene NPPB and familial dilated cardiomyopathy.