For children who cough, have phlegm in their throat, or have asthma, it is generally considered that they have asthmatic bronchitis, asthma, or laryngitis. According to the severity of their illness, they can carry out some routine treatment at home, such as atomization or oral medication to relieve spasm. Of course, if the child is in a serious condition, or there is no regular medicine at home, which has never happened before, or the child's general condition is not very good, it is recommended to go to the hospital in a timely manner. Then we will give different treatments according to different conditions, mainly according to its etiology, which may have a better effect.