Montelukast sodium chewable tablets children ate a box of more than one time, first of all, immediately seek medical attention, give vomiting treatment, clear the stomach residue, if necessary, timely gastric lavage, at the same time to follow the doctor’s instructions to give symptomatic detoxification treatment. Montelukast sodium chewable tablets belong to the leukotriene receptor antagonist, the child ate a box of more than one time may lead to serious adverse reactions. Therefore, it is necessary to seek medical treatment in time to give vomiting treatment, the drug in the stomach to spit out, clear the body residue. At the same time, drink more warm water, accelerate the discharge of drugs, reduce the adverse effects of drugs on children. If the effect of vomiting is not obvious, the child appeared obvious dizziness, drowsiness and other discomforts, the need for timely gastric lavage treatment, complete removal of the drug in the stomach, while intravenous injection of vitamin C injection or compound glycyrrhizin injection and other relief, to promote early recovery. Montelukast sodium chewable tablets children ate a box of more than one time, parents are advised to take the child to the nearby hospital in a timely manner, to avoid delaying the condition.