Both loquat flowers and loquat leaves can be used in medicine, but the medicinal effects are different. Loquat flowers are used in medicine to open the nasal passages and relieve wind and cough. It can be used to treat head wind, nasal congestion and runny nose, prolonged coughing due to exhaustion, and blood in phlegm. Clinically used in the treatment of pinworms, whooping cough, colds, bronchitis, bronchitis cough and youth acne. Loquat Leaf is used in medicine for its effects of lowering rebelliousness and stopping vomiting (stopping the upward flow of stomach qi, stopping vomiting), clearing the lungs and relieving cough. It is used to treat lung-heat cough, retching and shortness of breath, stomach-heat vomiting and eructation. It should be noted that it is added into soup and needs to be decocted in packets; it is prohibited to be taken for vomiting with stomach cold and coughing with wind-cold evidence. It is recommended to take loquat flower and loquat leaf under the guidance of a doctor, so as to avoid misunderstanding or adverse reactions.