The side effects of loquat leaves boiled in water are not yet clear. However, it should be noted that loquat leaves are cold, stomach cold vomiting, wind-cold cough evidence patients are prohibited from taking, patients allergic to loquat leaves are also prohibited from taking. Loquat leaves are bitter, slightly cold in nature, belonging to the lung, stomach meridian. It has the effect of relieving cough, clearing the lungs, lowering the rebelliousness and stopping vomiting. It is commonly used in the treatment of gas and asthma, lung-heat cough, stomach-heat vomiting and retching. Loquat leaves need to be wrapped when decocted, and the side effects are not yet clear. During the use of light diet, allergy to the drug is prohibited, allergic persons should be cautious of use, stomach cold vomiting, wind-cold cough evidence patients are prohibited to take. If you have a need for loquat leaf, you should use it under the guidance of a physician, and not blindly use it on your own, so as not to cause adverse effects on the body.