▎ 摘　　要

NOVELTY - The utility model claims an external washing liquid heating device, comprising a cloth bag, a connecting cloth, velcro through hole, observation window graphene heating sheet, a pressure sensor, a temperature control knob, a control panel and a buzzer, the connecting cloth is installed at the top end of the back side of the cloth bag, the number of the velcro is two, and two velcro respectively installed at one side of the cloth bag and the connecting cloth, the through hole is opened at the bottom centre position of the cloth bag. The external washing liquid heating device has simple structure, the design is reasonable, it not only can heat the brine bag, avoid cold salt water dropping to cause the discomfort of the patient, effectively prevent the patient with low temperature, but also has a reminding function, can detect the use condition of the salt water, avoid the occurrence of ensuring the use of safety water drop, flexible use, strong practicability, meeting the use requirement of the existing market.