The invention relates to a microencapsulation structure of plant essential oil, which comprises an inner core layer made from essential oil of wild ginger flower, night fragrance oil, magnolia flower essential oil or left-handed essential oil, and a shell layer made of chitosan and coated on the outer side of the inner core layer, and the shell layer is provided with a plurality of communicating holes. Flower fragrance is released into the air to extend the release of essential oil flower fragrance.一種植物精油微膠囊構造，係包含有使用野薑花精油、夜來香精油、玉蘭花精油或是左手香精油等植物精油所製成的內芯層，以及使用幾丁聚醣製成並包覆於內芯層外側的外殼層，而該外殼層上設有多個連通孔，內芯層的植物精油能藉由前述連通孔緩慢的將精油的花香味釋放到空氣中，達到延長釋放精油花香味的效果。
