Loquat seed, also known as the fruit of loquat. It has the efficacy of moisturizing the lungs, relieving cough and lowering qi, and can treat lung impotence and cough, dry cough and other evidence. Loquat seed is the mature fruit of loquat in the family of Rosaceae, sweet, sour flavor, cool nature, attributed to the lung, stomach meridian. Pei Pa Koa Zi has certain effects of moistening the lungs, relieving cough and generating fluids. When lung impotence causes dry cough, dry mouth, hemoptysis, vomiting, epistaxis (nosebleed) and other symptoms, Pei Pa Koa Zi can be taken for treatment to alleviate its symptoms. Loquat Zi should be used properly under the guidance of a professional physician, its adverse effects are not clear, and those with spleen deficiency and slippery ejaculation should be cautious in using this drug. If the symptoms do not improve after taking the medicine, you need to seek medical treatment.