1. Different materials: Turtle jelly is a medicinal food, the main ingredients are tortoise board and Poria cocos; Immortal Grass is a kind of dessert, its main ingredient is Immortal Grass, which is more expensive than the latter in terms of raw materials.

2. The practice is different: turtle jelly is the collagen in the turtle shell solidified into a paste; burnt grass rely on ordinary starch.

3. Different taste/texture:Turtle jelly has a bitter taste and is more elastic; siu-mei grass has no bitter taste and is softer and easier to deform.