Safety and Immunogenicity Study of Live Attenuated Vaccine Against Varicella Without Gelatin

Inclusion Criteria: * Parent/legal acceptable representative is willing and able to understand the protocol requirements and provide informed consent * Participant is considered to be in good health including the body and mental status on the basis of reported medical history and limited physical examination and live in local ≥ 12 months * Participant is aged ≥ 1 year to ≤ 12 years * Body temperature ≤ 37.0℃ * Participant without preventive inoculation of varicella vaccine and previous history of chickenpox and zoster Exclusion Criteria: * Known allergy to any constituent of the vaccine * Reported the history of allergies, convulsions, epilepsy, mental illness and brain disease and clear serious systemic reaction * Known bleeding disorder * Known or suspected impairment of immunologic function, or receipt of immunosuppressive therapy or immunoglobulin since birth * Participation in any other interventional clinical trial * An acute illness with or without fever (temperature \> 37.0℃) in the latest week preceding enrollment in the trial * Inoculated other vaccines, immunoglobulin or investigational drugs within 4 weeks prior to participation in the study * Reported clearly the infection of the upper respiratory tract with 6 months * Clinical Manifestation of Metabolic, blood system, lungs, heart, the gastrointestinal tract, nervous system, kidneys, urinary system, endocrine, liver disease or malignant tumor * Any condition which, in the opinion of the investigator, would pose a health risk to the subject or interfere with the vaccine