A Clinical Study of a Zoster Vaccine in Healthy Adults >= 40 Years

Inclusion Criteria: * Healthy volunteers aged over 40 years (male or female). * Able to comply with all clinical trial protocol requirements and willing to complete all the visit plan process during the whole clinical trial observation period. * Able to understand the content of informed consent and willing to sign the informed consent. * Able to complete the diary card independently. * Patients with chronic diseases need to be in a stable period. * Axillary temperature ≤37.0°C. Exclusion Criteria: * Prior history of herpes zoster. * Prior history of vaccination with herpes zoster vaccine or chickenpox vaccine. * History of allergic disease likely to be exacerbated by any component of the vaccine. * Taking immunoglobulins and/or any blood products within the last 3 months or will receive these products during the study period. * Taking certain pharmaceuticals to be like salicylate kind, including aspirin, and difluorosalicylic, or going to take these medicine during the study period. * Participation in another research study involving receipt of an investigational product in the last 30 days. * Prior administration of live vaccine in last 30 days. * Prior administration of subunit vaccine, inactivated vaccine or allergic therapy in last 14 days. * History of serious disease and the participation in the clinical trial is likely to increase the disease risk and interfere with the observation of clinical trial index. * Taking immunosuppressive therapy in last 6 months. * Any autoimmune disease or immunodeficient state, autoimmune disease or immunodeficient disease. * Active tuberculosis patient. * Acute or chronic infections at the vaccination day (axillary temperature≥ 38.0°C). * Coagulation disorders (coagulation factor deficiency, coagulopathy or platelet disorder) diagnosed by doctors, or obvious bruises or blood coagulation noticed. * Woman who is breast-feeding. * Previous history of mental and neurological diseases (e.g. depression, epilepsy or convulsion) * Planned to move before the end of the study or leave the country for a long time during the scheduled study visit. * Abnormal Blood Routine and Biochemical Indexes before Inoculation (except for minor abnormalities that are not clinically significant as judged by doctors) * Any other conditions may compromise the safety or availability of participants in the judgment of the investigator.