PURPOSE: A black onion candies containing a black onion extract, and a producing method thereof are provided to offer the antioxidant and antibiotic activity of black onion to users. CONSTITUTION: A producing method of a black onion candies containing a black onion extract comprises the following steps: aging onion heat-processed at 75-90 deg C in 90-98% humidity; secondly aging the onion at 60-80 deg C in 90-98% humidity for 40-60 hours; steaming and heat-concentrating the onion after drying; and filtering the concentrated onion in 100-140 meshes, and secondly concentrating the onion at 90-105 deg C for 10-15 hours. The first aging process is performed at 50-70 deg C for 110-130 hours. [Reference numerals] (AA) Washing; (BB) High-temperature heat processing(79-81 deg. C, 93-95% humidity, 72 hours); (CC) First aging(60 deg. C, 93-95% humidity, 120 hours); (DD) Secondly aging(70 deg. C, 93-95% humidity, 48 hours); (EE) Supplying the moisture, and drying(60 deg. C, 95% humidity, 24 hours); (FF) Finely cutting a
