Prediabetes does not necessarily develop into diabetes. Prediabetes includes impaired fasting blood glucose, abnormal glucose tolerance, patients with prediabetes can through dietary adjustments and physical exercise and other ways to reduce blood glucose concentration, prediabetic patients if timely intervention treatment, then it is possible to be able to reverse to normal blood glucose, and some patients are also able to delay the onset of diabetes. At the same time, patients with prediabetes who do not receive timely intervention are likely to develop diabetes. Patients diagnosed with prediabetes should actively cooperate with their doctors to maintain a healthy diet and lifestyle, which can help improve the prognosis.