The utility model relates to a drip automatic closing device, which is suitable for being installed outside a drip pipe, and comprises a blocking module, an infrared sensing module, a warning module and a control module.The control module can control the blocking module to change to the blocking position to block and close the drip pipe when the infrared sensing module senses that the residual drip in the drip pipe is too low, and at the same time, drive the warning module to send out a warning message.When the liquid level in the drip pipe is detected to be lower than the predetermined height, the new automatic drip blocking device can immediately block and close the drip pipe, and send out the warning message at the same time. The design can effectively prevent the reverse flow of blood into the drip pipe or needle, and immediately remind patients, family members and medical staff of the situation.一種點滴自動關閉裝置，適用於安裝在一條點滴管外，包含一阻斷模組、一紅外線感測模組、一警示模組與一控制模組。控制模組可於紅外線感測模組感測到該點滴管內殘存之點滴液過低時，控制該阻斷模組變化至阻斷封閉該點滴管之阻斷位置，並同時驅使該警示模組發出警示訊息。透過本新型點滴自動阻斷裝置可於偵測到點滴管內之點滴液液面已低於預定高度時，即時阻斷封閉該點滴管，並同時發出該警示訊息的設計，可有效防止血液逆流入點滴管或針頭的情況，並即時提醒患者、家屬與醫護人員注意。
