Clear soup tremella is the traditional name of Guangdong Han nationality, which belongs to one of the recipes of Cantonese soup porridge. Tremella is the main ingredient, and the cooking skill of clear soup tremella is mainly cooking. It is the most advanced soup necessary for cooking expensive dishes. It is especially suitable for people with yin deficiency and excessive fire, chronic bronchitis in the elderly, cor pulmonale, low immunity, weak constitution and excessive internal fire.