Patients due to diet, disease, drugs, external stimulation, etc., may cause a sudden rise in blood sugar in a short period of time, high blood sugar refers to the content of glucose in the patient’s blood exceeds a certain standard value, resulting in high blood sugar for the following reasons: 1, if the patient usually has good control of blood sugar, if the consumption of food with high sugar content or due to overeating, blood sugar will rise rapidly in a short period of time; 2, some diseases Some diseases can lead to metabolic disorders that increase blood glucose, such as acute pancreatitis, which can also lead to diabetes if not well controlled; 3. 6.Pituitary gland diseases, such as pituitary tumor secretion of glucose-raising growth hormone will lead to a rise in blood sugar. 7.Serious diseases such as stroke and myocardial infarction, the body is in a state of stress blood sugar will suddenly rise.