In the past, when sitting on a cold toilet in winter, people would shiver. Most people would put flannel washers on ordinary toilets, but it was very troublesome to clean and replace the toilet seats at any time. In contrast, smart toilets Through the built-in NTC temperature sensor, the seat ring is heated evenly, and the seat ring temperature is adjusted. It enables users to feel warm and comfortable even in cold weather. The seat heating function of the smart toilet is realized because of the addition of an epoxy small black head NTC thermistor.