Pei Pa Koa is a kind of medicine made from many kinds of Chinese herbs mainly loquat leaves, which has the effect of moistening the lungs and relieving cough, and is commonly used clinically to improve cough, cough and phlegm, sore throat and other illnesses. Loquat Leaf has the effects of clearing the lungs and relieving cough, lowering the rebelliousness and stopping vomiting (stopping the upward flow of stomach qi, stopping vomiting), and can be used to treat lung-heat cough, rebellious gas and shortness of breath, stomach-heat and vomiting, and vexation-heat (irritability and sultriness) and thirst, and other conditions. Adverse effects and contraindications of loquat leaf are not clear. Honey is a kind of medicinal food, with the effect of tonifying the middle, moistening dryness, relieving pain, detoxification, for lung deficiency cough, intestinal dryness constipation and other conditions have a better therapeutic effect. Adverse effects of honey is not clear, damp obstruction of the middle fullness, damp-heat phlegm stagnation, loose stools (feces sparse and unshaped) or diarrhea should be used with caution. Loquat leaves and honey together can increase the efficacy of moistening the lungs and relieving cough, if the above symptoms, it is recommended to go to the hospital in a timely manner, under the guidance of the physician to use loquat cream and other medications, do not self-medication.