Pear has the function of clearing away heat and promoting fluid production, and rock sugar also has the function of moistening lung. Generally, dry cough and dry cough are caused by heat pathogen hurting body fluid, which affects the function of hair growth and blood pressure reduction of lung, and heat pathogen can also fry body fluid into phlegm. Therefore, in addition to the above two flavors, it is better to add Fritillaria cirrhosa (moistening lung and resolving phlegm, suitable for all types of cough). Peel pear, add Bulbus Fritillariae Cirrhosae, boil, add crystal sugar, dissolve sugar and take it.