Loquat leaves boiled in water has the effect of clearing the lungs and relieving cough, lowering the backwardness and stopping vomiting, and is prohibited to be taken by patients with cold stomach or cold body. Loquat leaves are the leaves of the loquat plant of the Rosaceae family, with the effect of clearing the lungs and relieving cough, lowering the rebelliousness and stopping vomiting (stopping the upward rush of gastric qi, stopping vomiting). It is clinically used to treat lung-heat cough, retching and wheezing, stomach-heat vomiting and retching. Loquat leaves can be used for both medicinal and food purposes. When consumed, it can be made into loquat leaf porridge and mulberry leaf loquat chicken. Loquat leaves have a bitter flavor and are slightly cold in nature, so people with cold lungs and coughs, cold stomachs and cold bodies need to use it with caution. It is not recommended that patients take too much loquat leaves boiled water, so as not to irritate the gastrointestinal tract, abdominal pain and diarrhea and other symptoms. Patients are recommended to take loquat leaves boiled water under the guidance of a doctor, and if you feel unwell during the period of taking it, it is recommended to go to the regular hospital in a timely manner.