Dried mustard greens are healthier. Dried mustard greens are rich in protein, vitamins, dietary fiber, carbohydrates, minerals and other nutrients. Moderate consumption can provide the body with the nutrients it needs and help maintain good health. At the same time, the dietary fiber in dried mustard greens can promote gastrointestinal peristalsis, facilitate the digestion and absorption of food, and has the effect of moistening the intestines and laxatives. In addition, the potassium in dried mustard greens helps maintain electrolyte balance in the body and helps lower blood pressure. During the pickling process, pickles produce nitrite, a carcinogen. Therefore dried mustard greens are healthier.