Pregnant women are in a special stage and do not necessarily need insulin if diabetes is present. Although insulin is available as the only drug that can be used, it is possible for some pregnant women to reach the ideal goal through diet and exercise methods, which is achievable. Although this process is difficult, there are still some patients who can achieve such an ideal situation. If the blood sugar is not ideally controlled through lifestyle interventions, pregnant women can only use insulin, and so far according to our guidelines, all oral hypoglycemic drugs for pregnant women are not able to be used for the purpose of safety, and the use of insulin is often recommended to use human insulin, because human insulin is the same as the body The whole chemical structure of insulin is exactly the same, so as to ensure the safety of pregnant women and fetuses to the greatest extent.