First, spread the dough in advance, knead it into a thick round cake, and cut it from the middle with a knife.

Secondly, cross the knife again, as shown in the figure.

Three, two more knives, divided into eight equal parts.

Fourth, take out a piece, pinch the two corners of the big head together and let the swallow's mouth come out.

Five, small black beans or red beans do eyes and mouth up a little.

Six, cut the left wing with a knife, and then cut the right side.

Seven, finally cut the tail and steam in the pot.