APOE and Alzheimer disease: The main compounds of SQYG included gamma-sitosterol, β-sitosterol, suffruticoside A, choline, cetylic acid, stigmasterol, hexadecanoicacid, 3-hydroxycoumarin, baicalin, ginsenoside Rb1, ginsenoside Rg1, ginsenoside Re, danshenol A, salvianolic acid B, danshenol B, astragaloside IV, 3 beta-hydroxytanshinone IIA, and isoastragaloside I. The PPI network results indicated that INS, ALB, IL6, TNF, TP53, IL1B, VEGFA, APOE, CTNNB1, and PPARG were key targets of SQYG on AD.