• Agree to follow the trial treatment regimen and visit schedule, voluntarily enroll in the study, and sign the written informed consent form;

• Age ≥ 18 years at the time of signing the informed consent;

• Eastern Cooperative Oncology Group (ECOG) Performance Status Scale≤ 1；

• Documentation of initial diagnosis of multiple myeloma according to IMWG diagnostic criteria；

• Have a life expectancy of at least 12 weeks；

• Fertile men and women of childbearing age are willing to take effective contraceptive measures (including abstinence, intrauterine devices, hormonal contraception, and correct use of condoms) from the signing of the informed consent form to 6 months after the last dose of the investigational drug; women of childbearing age include premenopausal women and women who had menopause less than two years ago. Blood pregnancy test results must be negative for women of childbearing age within 7 days prior to the initial dose of the investigational drug.