I don't know whether your cup is made of bamboo tubes or made of bamboo Fang material processed into the original bamboo tubes, then steam with boiling water or other methods to remove the odor can try, but Fang material, then the bamboo is generally glued and pressed, generally not used to do food and beverage kitchen utensils, but there are a lot of these products on the market, after all, there is a glue in it, and it is difficult to ensure that the glue's impact on the human body, so the selection of the When to pay attention.