When diabetes is hyperglycemic, you should not eat foods that raise blood sugar, such as all kinds of sugar, brown sugar, white sugar, icing sugar, glucose, maltose, honey, chocolate, milk sugar, fruit sugar, preserves, canned fruit, soft drinks, all kinds of commercially available fruit juices, sweet drinks, jams, ice cream, sweet cookies, cakes, sweet bread and sugar pastries. When the blood sugar is unstable, fruits also try not to eat, and try not to eat foods with high blood fat, such as like beef and mutton, lard, butter, cream, fatty meat, etc. when high blood sugar is still high.