Experimental: Venetoclax Combined With CACAG Regimen

The CACAG+Venetoclax regimen has a total treatment period of 1 week, with a treatment cycle every 4 weeks, and a total of 1 course of treatment.~Chidamide: 30 mg, twice a week, for a total of 2 administrations; Azacitidine: 75 mg/m\^2 from day 1 to day 7; Cytarabine (Ara-C): 75-100 mg/m\^2 every 12 hours from day 1 to day 7; Aclarubicin: 20 mg/m\^2 on days 1, 3, and 5; Recombinant human granulocyte colony-stimulating factor (G-CSF): 300 μg/day, continued until neutrophil recovery and white blood cell count is ≥20,000/μL; Venetoclax: 100 mg on day 1, 200 mg on day 2, 400 mg from day 3 to day 14, when used in combination with azole drugs, the dosage is reduced to 100 mg/day.

Active_comparator: 3+7 Regimen

Idarubicin+cytarabine(IA) regimen or daunorubicin+cytarabine(DA) regimen for newly diagnosed AML.Recipients were randomized and those entering this group received IA or DA induction chemotherapy. With the IA regimen,recipients received idarubicin(8-10 mg/m2) for three days and cytarabine(75-100 mg/m2, every 12 hrs) for seven days. With the DA regimen,recipients received daunorubicin(60 mg/m2)for three days and cytarabine(75-100 mg/m2,every 12 hrs)for seven days.