Kumquat rock candy is not a drug, does not have the effect of drugs, can provide the body with carbohydrates and other nutrients. Each 100 grams of kumquat contains 53 calories, of which 11.2 grams of carbohydrates, 1.9 grams of protein, 0.7 grams of fat, 36 micrograms of vitamin A, 11 milligrams of vitamin C and 2.8 milligrams of niacin. The calories of kumquats come mainly from carbohydrates, which can give the body a quick replenishment of water and sugar. Kumquats are rich in aromatic oils, which can act as an appetite enhancer. Therefore it is suitable for people with loss of appetite. Kumquat rock candy is usually made by simmering kumquats with rock sugar, and can be soaked in warm water when consumed. It is worth noting that too much kumquat rock candy can cause stomach bloating, diarrhea and other conditions, high blood sugar and allergy patients are prohibited.