(1) Preserve with rice grains and eggs: Because rice grains or eggs can absorb water, truffles can be placed with rice grains or eggs, so that truffles can be kept dry and not easy to deteriorate.

(2) Refrigerator storage: After truffles are wrapped in tin foil, they are put into the freezer of the refrigerator for cold storage, which can generally be stored for about 3-4 months.

2. The health wine brewed with truffles has unique fragrance, good taste, obvious green health care and pharmacological effects, and has obvious effects of strengthening yang and tonifying kidney, reducing serum low-density lipoprotein and cholesterol, increasing high-density lipoprotein, preventing atherosclerosis and resisting tumor. Regular drinking is beneficial to improving human internal organs, and has medicinal values such as enhancing immunity, anti-aging, benefiting stomach, refreshing, stopping bleeding and treating hemorrhoids. It is favored by customers at home and abroad, with large market demand and high return on investment.