Evaluate the Effect of Osteo Introducer System in Total Hip Arthroplasty

Inclusion Criteria: * With indications of total hip arthroplasty (e.g. non-inflammatory degenerative joint disease such as osteoarthritis, avascular necrosis, ankylosis; rheumatoid arthritis; correction of functional deformity, etc.) * BMI\<30 * Subject is a candidate for primary total hip arthroplasty * No obvious congenital abnormality in hip joint * Subject has no mental illness, is willing to join the study voluntarily and sign the approved informed consent document; is willing and able to complete required study visits or assessments Exclusion Criteria: * Subjects with inadequate neuromuscular status (e.g., prior paralysis, fusion and/or inadequate abductor strength), poor bone stock, poor skin coverage around the joint which would make the procedure unjustifiable * Overt infection * Distant foci of infections * Allergy to metals * Rapid disease progression as manifested by joint destruction or bone absorption apparent on X-ray * Skeletally immature * Neuropathic joints * Hepatitis or HIV infection * Neurological or musculoskeletal disease that may adversely affect gait or weight-bearing * Pregnant or lactating women * Subjects enrolled in another drug or device clinical investigation within 3 month * Investigator has judged the subject is not suitable for the study