The price of 30/70 recombinant human insulin, namely Gansulin 30/70 Insulin Injection, is about$56. Gansulin 30/70 insulin injection is recombinant human insulin, which is premixed insulin. It contains 30% short-acting ingredients to control post-prandial blood glucose at the same meal and 70% medium-acting ingredients for a longer duration to make blood glucose more stable. It needs to be injected 30 minutes before a meal and applied twice a day, before breakfast and dinner respectively. Unopened insulin needs to be stored in the refrigerator, while opened insulin can be stored at room temperature 28℃ and protected from light. It is necessary to monitor the blood sugar level during use to avoid hypoglycemia and adjust the dose according to blood sugar.