Sydney ointment, a drink made up of duck or Sydney as the main ingredient, is often used to treat respiratory disorders such as pulmonary fever and thirst due to hot and dry wounds, dry and dry and coughing. Sydney paste was used as a medicine in the court, and it was not until the Qing Dynasty was passed out of the court by the Royal Medical Doctor that it was possible to pass it on to the people. From time immemorial, the term “pregnant pear, edible pear, diarrhea,” which has the effect of “hearing lungs, intestines, coughing, burning throats, drying up thirst, drying out the wind, sobering up the alcohol”, has been used in the country's civil society。