Stewed Sydney with rock sugar and tremella is a medicinal diet and belongs to Cantonese cuisine. Rock sugar has the effects of promoting fluid production, moistening lung, clearing away heat and toxic materials, relieving cough and resolving phlegm, relieving sore throat and reducing turbidity; Rock candy and Sydney have the effects of clearing away heat, moistening lung, cooling and relieving cough. The heated pear juice contains more anticancer substances-polyphenols, and both the heated pear juice and the heated pear juice can accelerate the excretion of carcinogens in the body. Tremella fuciformis has the effect of clearing away lung heat and moistening lung, is rich in natural plant gum, has the function of nourishing yin, and is a good nourishing food that can be taken for a long time. Stewed Sydney with rock sugar and tremella, clearing fire and relieving cough. This soup is also suitable for pregnant women.