1) Somatropin therapy within 6 months prior to randomization 2) History of drug or alcohol abuse within 6 months prior to randomization 3) Participate in clinical trials of any drugs or medical devices within 3 months prior to randomization 4) Receive corticosteroids long-term (more than 7 consecutive days) oral, non-gastrointestinal administration or intra-articular administration within 2 months prior to randomization 5) Weight control drugs administration or Surgeries resulting in weight instability within 2 months prior to randomization 6) In investigator's opinion, patients used any drugs that interfere with assessment of the investigational product, or produce vital organs toxicity 4. Patients with history of the following diseases or proof prior to randomization: