Provided is a baby bottle which changes the color depending on the temperature by using an LED and a thermometer. The baby bottle of the present invention includes a thermometer which has a preset temperature of 40 deg. C, which is a suitable temperature for mixing powder milk with warm water, as a criteria, and transmits signals using an LED when the temperature is over 40 deg. C or lower than 40 deg. C. Housewives with newborn babies can figure out the proper temperature of water inside the baby bottle when mixing the water with powdered milk, so the baby and the mother can conveniently use the baby bottle.LED와 온도계를 이용하여 온도에 색깔에 따라 변하는 젖병이다.
