龍眼膏的製作工藝：洗果、去皮去核
、預煮、榨汁、過濾、加糖濃縮、裝罐、密封、冷卻。
    yuanliaolaiyuanjiaoguangfan，yibandelongyandoukeyiliyong，gongchangzhuyaoliyongbushihezhiguantoudeyuanliaohuoposundelongyanrou。xianxiguo，chuquguomiannishazangwu，ranhoubokaiguopi
，quchuguorou，tichuguohe，baguorouxijing，jizhongdaorushuangzhongguoyuzhu。yuzhuyaojiaruxiangdangyuguorouliang10％的清水，邊攪拌邊加熱，煮到果肉軟爛，大約需30min，mudeshibianyuyazhaguozhi。zhuhaodeguorouliantongzhiyesongdaozhazhijizhazhi

，bingjiangguozhiguolvlvquguozha。ranhoubaguozhisongruzhenkongnongsuoguonongsuo，daiguozhinongsuodaotangduda65％時，立即趁熱裝罐。罐頭容器要預先滅菌消毒
，加滿龍眼膏後立即加蓋密封，倒置7min，然後冷卻到37℃
，即為成品。每100kg鮮龍眼可製膏10―12kg。