A tube set for enteral nutrition and a pump device for enteral nutrition are provided which are safe, easy to use, and low in cost required for gastrostoma. An upstream tube, an intermediate tube, and a downstream tube are provided, and an upstream blockage detection unit tube and a downstream blockage detection tube are further provided. When closing the side, the thin portion 12d is configured to be closely deformed to the support portion 12c side, and when closing the downstream tube or further downstream thereof, the thin portion 14d is deformed in the opposite direction to the support portion 14c side. And it is possible to reliably detect the blockage while using an inexpensive device. [Selection diagram] FIG.【課題】安全、簡単に使用でき、胃瘻に要するコストが低い、経腸栄養剤用チューブセット、経腸栄養剤用ポンプ装置を提供する。【解決手段】上流側チューブ１１と、中間部チューブ１３と、下流側チューブ１５とを備え、さらに上流側閉塞検知部チューブ１２、下流側閉塞検知部チューブ１４を備え、上流側チューブ又はさらにその上流側の閉塞時に、薄肉部１２ｄが支持部１２ｃ側に密着変形するように構成し、下流側チューブ又はさらにその下流側の閉塞時に、薄肉部１４ｄが支持部１４ｃ側とは反対方向に変形するように構成し、安価な装置としながらも、閉塞を確実に検知できる。【選択図】図２
