Kumquat tea is made of green kumquat, kumquat is sweet in taste and warm in nature, it has the functions of appetizer and invigorating, eliminating food and sobering up, relieving depression and phlegm, and beautifying and skin-care. Kumquat has a good effect on preventing blood vessel rupture, reducing capillary fragility and permeability, and slowing down vascular sclerosis. Kumquat can produce two-way regulation of blood pressure, hypertension, vascular sclerosis and coronary heart disease patients can eat. Kumquat also has the effect of relieving depression, eliminating food and phlegm, promoting the production of fluids, soothing the pharynx, and waking up alcohol. Kumquat can enhance the body’s ability to resist cold, to prevent colds and flu, but also to help prevent hyperpigmentation, enhance skin luster and elasticity, slow down the aging process, to avoid sagging skin. It is important to note that kumquat tea should not be consumed before meals or on an empty stomach, because the organic acids contained will stimulate the mucous membrane of the stomach wall, and the stomach will produce discomfort.