Blue tea seaweed tea, formerly known as blue tea tea, belongs to Changqi restaurant. The main raw material is kelp tea, so it is also called blue tea kelp tea. Seaweed tea: the sugar in seaweed not only provides energy, but also contains fucoidan, a unique mucus component of seaweed, which is not available in terrestrial vegetables. Fucoidan has the activity of heparin, which can prevent the agglutination of animal red blood cells and prevent the increase of blood pressure caused by the increase of blood viscosity.