Children coughing and vomiting at night is one of the most troubling things. Generally, children coughing violently will stimulate the pharynx, or phlegm, backflowing nasal mucus may also stimulate the children’s pharynx, which may cause vomiting, then we should pay attention to the baby’s head to the side to avoid vomit accidentally sucked, you can pat the baby’s back to relieve the baby’s coughing symptoms, after vomiting, you can let the child appropriate drink some warm water, if there is no relief to Seek medical treatment promptly. Children coughing and vomiting at night may be caused by respiratory infections, including upper respiratory tract infections, bronchitis and pneumonia, which may cause children to cough and vomit if they cough violently. Parents should pay attention to reassuring their children so that they don’t get scared, avoid getting cold and give them a warm and comfortable resting environment. Parents should also take good care of the child’s diet and life, and the diet should be light and digestible, with plenty of water to get the best results. In the face of children coughing and vomiting at night, parents must not panic or be afraid when dealing with the situation, and can take medication to control mild cases, while serious cases need timely medical treatment.