Carglitazone and metformin are not the same type of hypoglycemic drug and can be taken together if the condition requires it. Whether to take these two drugs at the same time, you need to consult a specialist. 1. Cagliflozin: belongs to sodium-glucose co-transporter protein 2 (SGLT2) inhibitor, by promoting the sugar and sodium ions from the urinary excretion, in order to achieve the effect of lowering sugar. It is mainly suitable for patients with type 2 diabetes who have normal renal function and are obese or overweight. 2. Metformin: It belongs to the class of biguanide hypoglycemic drugs, which reduces blood glucose by inhibiting hepatic glucose output and increasing the utilization and uptake of glucose. It is mainly suitable for patients with type 2 diabetes mellitus who have unsatisfactory blood glucose control with simple diet and exercise therapy. Whether Cagliflozin and Metformin need to be taken at the same time, it is recommended to consult a professional doctor, not blindly self-medication.