Metformin is an oral capsule drug commonly used in clinical practice, and it has been widely used as a first-line drug in diabetes treatment guidelines. Metformin itself has no obvious damage to liver and kidney function, but clinically it is common that the application of metformin is limited, these cases are mainly due to the patient’s own liver and kidney function abnormalities. Because liver and kidney are very important organs of metabolism in the body, the use of metformin is limited if it is accompanied by abnormal liver and kidney function. However, it is emphasized that metformin is a drug that does not damage the liver or kidney function. The above content is for reference only, please refer to the doctor’s interview for specific medication and treatment guidance.