The types of steamed buns are still relatively many, different division methods have different types, for example, some friends like to eat corn steamed buns, there are some friends like to eat knife cut steamed buns, some friends favor bumpy steamed buns, then bumpy steamed buns what does it mean? The meaning of bumpy buns is that when kneading buns, one side of the kneading has been fermented dough side to add some dry flour into it, so that the steamed buns are choked buns. In the production of bumpy buns, because of the kneading of some dry flour, these dry flour will absorb some of the moisture in the fermented dough, such a dough steamed out of the steamed buns, the texture of the taste will be more gluten, the taste is also more sweet.