Boiling loquat leaves in water can improve cough symptoms to some extent, but the effect is limited. Loquat leaf is a traditional Chinese medicine, its flavor is bitter, slightly cold in nature, it has the effect of clearing the lungs and stopping cough, lowering the rebelliousness and stopping vomiting (stopping the upward rush of stomach qi, stopping vomiting). The water boiled with loquat leaves can play a certain therapeutic role and have a certain improvement for cough. It should be noted that there are more causes of cough, simply using loquat leaves boiled water, it is more difficult to improve the symptoms from the root. In addition, loquat leaves are slightly cold in nature, and drinking large amounts of water boiled with loquat leaves may lead to gastrointestinal discomfort. It is recommended that patients with coughs actively seek medical attention to clarify the cause of the disease and take effective treatment measures to address the cause of the disease. Avoid using medications or prescriptions on your own to avoid delaying the condition or causing discomfort.