Rock candy bird's nest porridge is a famous point of Han nationality. The main ingredients of rock candy bird's nest porridge are bird's nest and rice. The bird's nest is a nest built by Jin Siyan and some birds of the same genus in a cave by the sea with colloidal liquid spit out by them. Bird's nest is flat and sweet, enters the lung, stomach and kidney meridians, has the effects of nourishing yin, moistening dryness, benefiting qi and tonifying the middle warmer, and can cure deficiency and other diseases. It is listed as one of the eight treasures in ancient times and is a tribute of past dynasties. Because bird's nest has the functions of nourishing yin, moistening lung, clearing away heat and relieving cough, it is a high-grade nutritional supplement and precious medicinal material, and its price is expensive.