Comparing of the Pharmacokinetic, Safety and Pharmacodynamic of QL1206 and Prolia® in Healthy Adults

Inclusion Criteria: * Sign the informed consent form and fully understand the test content, process and possible adverse reactions, and be able to complete the study according to the test plan requirements; * Aged ≥18 years or ≤50 years, male or female (including the boundary value); * Agree to take effective contraceptive measures throughout the study period (including not limited to: hormonal drugs of pregnancy, physical contraception, surgery, abstinence, etc., until at least 6 months after the last study is administered; * Clinical laboratory examination, chest X-ray, abdominal B-ultrasound, electrocardiogram, physical examination, vital signs and various examinations are normal or abnormal without clinical significance Exclusion Criteria: * Occurred or suffering from osteomyelitis or ONJ (mandibular necrosis) previously. * Serum calcium levels are outside the normal range of the laboratory, or the subject uses calcium supplements in the screening period. * The dental or jaw disease that is active, requiring oral surgery; or planned for invasive dental surgery during the study; or dental or oral surgery wounds have not healed; * Subject has viral hepatitis (including hepatitis B and hepatitis C), AIDS antibodies, and Treponema pallidum antibodies;