1, brewing, first Yu wheat or barley washed with water, placed in a pot filled with water, and then add fire to be a big roll, and then use the fire to cook slowly, until the grain open.

2, after cooking the grain to the panel, evenly spread, has been drying cold. The sweet grains into powder, evenly mixed in the grain (every 13 pounds of jade wheat plus more than half of the ball sweet grains qu qu) loaded into the porcelain or pottery, placed on the kang, covered with insulation (temperature below 30 ℃ is appropriate) around the need to keep clean, there shall be no foul air.

3, about two days ---- three days, the container surface heat, grain on the birth of powdery slightly greenish white hairs that become.