• （1）Age ≥18 years old, no gender limit ;

• （2）be diagnosed with AML (non-M3) according to WHO 2016 standards;

• （3）No previous treatment;

• （4）Ineligible for intensive chemotherapy based on the following definitions: ≥75 years of age or 18 to 74 years of age with at least one of the following comorbidities: Eastern Cooperative Oncology Group (ECOG) performance status of 2 or 3 A history of cardiac disease such as congestive heart failure Treatment is required, or ejection fraction ≤ 50%, or chronic stable angina, diffusing capacity of lung for carbon monoxide (DLCO) ≤ 65%, or forced expiratory volume in first second (FEV1) ≤ 65%, creatinine clearance ≥ 30 mL/min to \< 45 mL/min, moderate hepatic impairment, total bilirubin \> 1.5 to ≤ 3.0 × ULN, other comorbidities that are not suitable for intensive chemotherapy in the physician's judgment.

• （5）Subjects must have an ECOG performance status score of: 0 to 2 for subjects aged ≥ 75 years or 0 to 3 for subjects aged ≥ 18 to 74 years.

• （6）Other comorbidities that are not suitable for intensive chemotherapy in the doctor's judgment;

• （7）Expected survival time ≥3 months;

• （8）Have the ability to understand and be willing to sign the informed consent form for this study.