China is a major diabetic country, and among all chronic diseases, the high rate of disability and death due to diabetes complications remains high. However, in stark contrast, there is little guidance for diabetics on the dangers of influenza for diabetes and its conditions, and even fewer patients are able to take defensive measures against it. According to information published by the Centers for Disease Control and Prevention, influenza and its possible arrival of lung infections is one of the major causes of death in people with diabetes, and the risk of death in people with diabetes is three times higher than in normal people when they are infected with influenza. The toxic effect of high blood sugar can damage the immune system of the body, mainly in the ability of the high blood sugar section to phagocytose and remove microorganisms, and the ability of the body to produce antibodies is also reduced, making the body’s defense function lower and easy to contract influenza. Once infected with influenza can lead to serious complications for patients, further reducing the ability of diabetic patients to resist viruses, causing repeated attacks of influenza, entering a vicious cycle of influenza and hyperglycemia, and eventually leading to the failure of all major organs, thus endangering the lives of patients. As a result, diabetic patients should also remain highly alert in the face of influenza.