The combined bamboo straw is a one-time environmental protection product and can also be used multiple times. Its open structure makes it detachable, mixable and easy to clean. Environmental protection and cleanliness far exceed current market standards, and have obtained patent license certification. The current environmental protection straws on the market are of closed structure. Therefore, the cleanliness of the straws cannot be ensured during the production process. It is difficult to detect whether the straws are clean and difficult to clean during use. This product does not require special tools. Washable.