Effectiveness of the Combination Strategy of Disease-Modifying Therapy and the Yishen Daluo Yin Modified Formula for Multiple Sclerosis

Inclusion Criteria: 1. Participants who are over 18 years old at the time of signing the informed consent form, with no gender restrictions. 2. Participants meet the diagnostic criteria for multiple sclerosis (MS) as outlined in the 2017 McDonald's diagnostic criteria and the 2023 edition of the Chinese Guidelines for the Diagnosis and Treatment of Multiple Sclerosis. 3. No clinical relapse, as defined in the protocol, has occurred for 30 days or more prior to screening and baseline (Day 1). 4. Patients receiving first-line DMT drug treatment at a stable dosage. (The first-line DMT drugs involved in this study have stable dosages: Teriflunomide (14 mg, oral, once daily), Dimethyl Fumarate (240 mg, oral, twice daily), Fingolimod Hydrochloride (0.5 mg, oral, once daily), Siponimod (1 mg or 2 mg daily), Ozanimod (0.92 mg, oral, once daily), Ofatumumab (20 mg, subcutaneous injection once every 28 days), and Glatiramer Acetate (20 mg, subcutaneous injection once daily or 40 mg, three times a week).) 5. Signing the informed consent form. 6. Participants were able to engage in clinical follow-up throughout the entire study period. Exclusion Criteria: 1. According to the 2017 McDonald's guidelines and the 2023 version of the Chinese Multiple Sclerosis Diagnosis and Treatment Guidelines, individuals diagnosed with progressive MS, including both primary progressive MS (PPMS) and secondary progressive MS (SPMS), are excluded. 2. Participants who cannot performe MRI scans in certain situations include individuals with known allergic reactions to gadolinium contrast agents or those with other contraindications. 3. The expected lifespan is less than one year. 4. Participants who cannot complet the study due to mental illness, cognitive or emotional disorders. 5. Pregnant or lactating women. 6. Patients who are currently receiving or participating in other immunosuppressive, immunomodulatory, MS DMT treatment or clinical trials. 7. Any situation that other researchers deem inappropriate for participation in this study.