Prepare mustard. Clean it up Then dry the water. Just dry the water. And then cut into filaments. Steamed in a steamer. After steaming, spread it out. Sun-dried in a bamboo dish and then steamed in a steamer. This is a steamer. This is already steaming, and the color is getting a little darker. Then re-enter the steamer for the third steaming. Steam and dry thoroughly. After three steaming and three drying, the dried vegetables have shown a very strong aroma, which is ok. The main components of salted vegetables in Bashu area are leafy vegetables or big-headed radish vegetables (roots like radish, broken leaves, similar to emperor dishes).