The invention relates to a cooking vessel used for cooking foods in steam, in particular to a bamboo steamer structure which is used for cooking vessels. The bamboo steamer can solve the problems in the prior art and is characterized in that the bamboo steamer can be matched with heating vessels of different sizes, thus achieving the object of processing different foods, reducing the cost for purchasing cooking vessels and improving the efficiency. The bamboo steamer structure comprises a steaming disc part and a top cover part; wherein, the steaming disc part comprises a bottle surface and aside surface; the top cover part comprises a ventilation hole; the bamboo steamer structure is characterized in that the side surface and the bottom surface of the steaming disc form an inclined angle; the exterior of the side surface is provided with a plurality of spacing; the steaming disc structure is internally provided with one or more disc-shaped structures which can be stably arranged in the side surface; the disc-shaped structures are provided with steam passages.