Men patients with recent diabetes who want to have children need to switch to insulin therapy and it is best to keep their blood sugar under good control for at least 3 months before having children. If a male patient with recent diabetes wants to have a child, he needs to switch to insulin to control his blood sugar because drugs like Metformin Hydrochloride tablets and Gliquidone tablets may have certain side effects on sperms, which may lead to growth disorders and other diseases in the child. Since it takes at least 3 months for sperm to be produced, it is best to control blood sugar for at least 3 months to ensure sperm quality before having children. It is recommended that new diabetic patients who want to have children go to regular hospitals for preconception checkups during the preparation period, and at the same time, during the preparation period, we should pay attention to avoiding foods with high sugar content, avoiding staying up all night, and paying attention to rest.