Blood glucose measurement after a small load exercise may be high, which is related to the release of various glucagon hormones during exercise, while excessive exercise may be low, which is related to the large amount of blood glucose being consumed. When the body is exercising, several organs in the body need to consume energy, and glucose is the main source of energy. At the beginning of exercise, there will be the release of various glucagon hormones, such as glucagon and adrenaline hormone, which will lead to the production of more glucose and release it into the bloodstream for energy supply, and the blood glucose measurement at this time may be high. When exercising excessively, blood glucose is consumed excessively, and blood glucose is continuously utilized by the body, resulting in a drop in blood glucose, at which time blood glucose measurement may be on the low side. Exercise should be done in moderation, and if there is any abnormality, you should consult a doctor promptly.