There are some reasons for poor blood sugar control in gestational diabetes, do you have one of them? 1, do not eat according to the recipe prescribed by the doctor, eat too much blood sugar high, eat too little blood sugar too low and produce ketosis. 2, not to carry out appropriate exercise, or lack of due physical activity. 3.Emotional instability, excessive worry and anxiety. 4.Unwilling to use insulin when insulin treatment is needed. In short, in order to achieve the blood glucose control standard, in addition to doing what the doctor asks, we should also do: emotional stability, sleep stability, diet stability and exercise stability.