1, fresh asparagus sun-drying method: first wash the fresh asparagus, slightly moist with water, sprinkle into the cinnabar fine powder mix, and then placed in a cool place using shade drying treatment, do not let the sunlight.

2, fresh wild asparagus preservation method is mainly rely on the plastic wrap discharged inside the oxygen, to avoid oxygen oxidation of the food, and then is the air fungus and Ying on the nutritional value of the asparagus, in a condition that is refrigeration can be effective preservation of freshness, so that the fresh wild asparagus can be better preserved.