The shelf life of watercress cream is 24 months. The trademark display of douban cream is generally 24 months. It is recommended to keep it as tightly as possible and store it in a cool and dry place to avoid food deterioration. Vegetable paste is a kind of dish, also called cold vegetable paste, and it is one of the snacks with Zhejiang flavor, especially in Taizhou, Zhejiang. The main raw material is vegetables, which are rich in vitamins.