Pharmacopoeia has not yet recorded the effects of loquat shells, loquat shells generally have no medicinal value, loquat leaves have medicinal value, with a clear lungs and cough, descending reverse vomiting (to stop the upward rush of gastric qi, to stop vomiting) effect, but it should be noted that this product is brewed to drink the active ingredients are limited. Loquat leaves are bitter in flavor and slightly cold. Attributed to the lung, stomach meridian. It is used for lung-heat cough, gas reversal and shortness of breath, gastric heat and vomiting, irritable heat (irritable and sultry) thirst. It should be used roasted to relieve cough and raw to relieve vomiting. It should be noted that when decocting loquat leaves, it needs to be wrapped with gauze to prevent the surface fluff from mixing into the water and irritating the throat. Loquat leaves are cold in nature, not suitable for people with cold spleen and stomach (spleen and stomach weakness and cold), adverse reactions are not clear, this product is brewed in water and drink the active ingredients are limited, the treatment of disease should be under the guidance of a physician drug use-based.