There is no efficacy of raisins, moderate consumption can supplement nutrients for the organism. Excessive consumption of raisins is not recommended, and people with high blood sugar are advised to eat less, and they should be cleaned before consumption. Raisins do not have any special effects, every 100 grams of raisins contain 81.8 grams of carbohydrates, 2.5 grams of protein, 1.60 grams of dietary fiber, 0.4 grams of fat, 52 mg of calcium, 45 mg of magnesium, 5 mg of vitamin C and other nutrients. Eating raisins in moderation on a regular basis can provide the body with the required nutrients. In addition, raisins are high in sugar (82% of the total), and consuming too much may lead to obesity. Patients with high blood sugar should eat less raisins, which have a glycemic index of more than 70, making them a high-glycemic index food. Raisins are mainly made of sun-dried grapes, and it is recommended that they be cleaned before consumption to avoid eating unclean raisins, which can cause diarrhea, abdominal pain and other discomfort. Raisins do not have any special effects and should be consumed in moderation. People who are allergic to grapes should not eat raisins.