Frozen milk usually needs to be consumed within one hour after it has been thawed out, otherwise it will harbor some bacteria that can affect your baby’s body. Frozen milk is usually cold and should not be consumed directly. If you drink it immediately, it may irritate the gastrointestinal mucosa, causing damage to the gastrointestinal mucosa, which may also lead to abdominal pain, diarrhea and other symptoms, so it is necessary to heat the frozen milk to the appropriate temperature before drinking it, and the patient can heat the frozen milk to return to the temperature suitable for the baby to drink. After the temperature is restored, the patient should drink it as soon as possible, usually within one hour, otherwise the frozen milk will breed some bacteria, and some nutrients in the milk will be lost, which will easily cause some infectious diseases in the baby. Frozen milk after thawing generally try to drink within one hour, so as not to cause adverse effects.