1. The water of melting yeast should not be too much, because purple potato paste should be put into the flour; 2. When purple potato paste is added to the flour, it should be added a little bit. If it is all poured in, it may be too wet. If it is too wet, it can be adjusted by adding some dry flour; 3. Generally making steamed buns, dough should be fermented twice as large, but making this rose. Flowers, only need to hair to 1.5 times the size, so that the type steamed out in the later stage will not be excessively soft expansion deformation; 4, steamed cage cloth, gauze, rice dumplings, corn leaves can be used to cushion steamed bread, I am directly on the steamed cage with a layer of oil to prevent sticking. 5, how to fast hair: take a large pot, which contains hot water about 60 degrees above the pot. Put the dough in a big bowl. Put the big bowl on the steamer. Cover it with a lid. The noodles will be ready in about an hour, about 1.5 times the original volume. If you want to double the size, you can send another half an hour. This method is very suitable for winter. 6. Steamed bread must be quiet again before steaming. Set it for 10 minutes. Steamed steamed bread is noisy. When steaming, keep a big fire. Dont open the lid in the middle. Steam for 5 minutes before boiling.