Kumquats are different from tangerine peel. Kumquat flowers are solitary, white and fragrant. The fruits are mostly oval, golden yellow and shiny, and some varieties are edible. Mostly reproduced by grafting. Regulates qi, relieves depression, resolves phlegm, quenches thirst, digests food, and sobers up. Kumquat can enhance the body's ability to resist colds, prevent and treat colds, and lower blood lipids. It is suitable for people with chest tightness and stagnation, no desire to eat, or those who are full after eating, drunk and thirsty; suitable for people with acute and chronic tracheitis, hepatitis, cholecystitis, hypertension, and straight tube sclerosis. People with weak spleen and qi should not eat too much, and people with diabetes should avoid eating. Those with broken and sore mouth and tongue, swollen and painful gums should not eat this product. Tangerine peel, aliases: orange peel, Guilao, red peel, yellow orange peel, Guangji peel, Xinhui peel, tangerine peel, Guangdong tangerine peel. The mature peel of the Rutaceae plant Tangerine and its cultivated varieties regulates qi and strengthens the spleen, regulates the central nervous system, removes dampness and resolves phlegm. It is mainly used to treat abdominal distention, pain and indigestion due to stagnation of spleen and stomach qi. Dampness and turbidity include chest tightness, abdominal distension, anorexia and loose stools. Cough and asthma caused by phlegm and dampness blocking the lungs. People with qi deficiency, body dryness, yin deficiency and dryness, cough, vomiting blood, and those with excess heat should use with caution