Experts remind that in May, do not put the quilts you want to store outdoors to dry. Because this is the time for borers to mating and lay eggs. If you dry the clothes and quilts at this time, it will provide a relatively ideal "place" for the borer to lay eggs. The borer eggs are smaller and it is difficult to find. If the borer eggs are parasitized, it will cause the clothes to be eaten by insects. In addition, borers grow and reproduce in quilts, which will also produce a large number of pathogens, endangering human health.

　So, it is best to expose the quilt to the sun in July and August. High heat and ultraviolet rays will kill the parasite eggs inside.