Not the same. Yangcai paste is a dish, also known as cold vegetable paste. It is one of the Zhejiang snacks, especially found in Taizhou, Zhejiang. The main raw material is Yangcai, which is rich in vitamins and has the effect of clearing away heat and relieving summer heat. Green grass paste is made from a kind of hay called jelly grass. Traditional Chinese medicine believes that jelly grass has the functions of clearing away heat, relieving heat, and diluting water.