The invention discloses a wild celery and a processing technology thereof. The processing technology comprises the following steps sequentially: preprocessing, soaking, precooking, high temperature sterilization, green color preservation, rinsing, hardening, color homogenization, draining-washing, gum dipping under reduced pressure, medium temperature sugar boiling, sugar soaking and flavoring, sugar leaching by hot wind, drying, bagging, vacuum sealing, sterilization and cooling. According to the technology, the wild celery which has no chemical fertilizer, no pesticide residue, is pollution-free and is a pure natural green vegetable is used as a raw material, and the prepared wild celery product has no peculiar smell, has special celery fragrance, is crispy and tasty, has a bright green color and is easy to store.