Baby colds accompanied by vomiting of milk indicate that the child has an upper respiratory infection along with gastrointestinal symptoms. A cold can cause poor digestion or stomach discomfort, which might lead to vomiting of milk. First, ensure the child's diet is light and easy to digest. For babies who are formula-fed, you can give them probiotics or gastric protease granules, which can help alleviate gastrointestinal discomfort and are also beneficial for reducing vomiting. Additionally, after each feeding, it's important to hold the baby upright and pat their back to burp them, then hold them a bit longer. When sleeping, place the baby in a right-side lying position with the head of the cot elevated at a 15-degree angle. By managing this way, the vomiting in most children can be alleviated. (Note: The answer is for reference only. For medication, please consult a doctor under the guidance of a professional physician, and do not self-medicate.)