Take 500 grams of flour, put it on a steamer, steam it on high fire for 20 minutes, take it out and dry it, put the steamed flour in a wok, stir it with slow fire for 7- 10 minutes, then add 20 grams of brown sugar and continue stirring. About 2 minutes, brown sugar and flour will gradually blend together, and then take them out of the wok to eat.
Three or four times a day, 3 tablespoons each time, with warm water, generally 20 days is a course of treatment.