Abstract:Kumquat has unique taste，rich nutrition，and high medical and health-care value.This paper reviewed the postharvest treatment，processing technology，and comprehensive utilization of the by-products of kumquat in recent years，including classification，storage，packaging，and other postharvest treatment technologies，as well as the processing technologies of preserved fruit of kumquat，fruit juice，essential oil，wine，vinegar，tablets and other products.The research progress on the utilization of the by-products such as kumquat leaves and kumquat seeds was introduced.This paper provides references for the improvement of the quality of kumquat，the market-oriented development of deep-processing products，and the high-quality utilization of agricultural by-products.