黑棗的最大營養特點之一就是富含膳食纖維，膳食纖維一方面促進胃腸蠕動，另一方面增加消化液的分泌，因此起到良好的潤腸通便的作用，可以預防便秘，而且，豐富的膳食纖維還可以發揮降低血脂、降低血糖的功效。
One of the biggest nutritional characteristics of jujube is rich in dietary fiber, dietary fiber on the one hand to promote gastrointestinal perimotility, on the other hand to increase the secretion of digestive fluid, so as to play a good role of moistening bowel laxative, constipation can be prevented, and rich dietary fiber can also play the role of reducing blood fat and blood sugar.