Thawed breastmilk usually needs to be heated for about 15-20 minutes if heated with a 40°C milk warmer. Thawed breastmilk needs to be heated properly before your baby consumes it to avoid abdominal discomfort after consumption. You can usually consider heating it in a 40°C milk warmer so that the milk is heated evenly and slowly to retain the various nutrients in the milk to the maximum extent. Before using the warmer, you need to preheat the warmer, wait for 2 minutes and then put the bottle on it, then pay attention to the indicator light on the warmer, the light will light up when the temperature reaches, it usually takes about 15-20 minutes to heat. Note that frozen breastmilk cannot be heated directly and needs to be thawed before heating, otherwise the nutrients in breastmilk will be easily reduced. After the breastmilk is thawed, it can be heated in a milk warmer or in warm water at about 50 degrees.