Every autumn and winter is the season when respiratory diseases are rampant, and every year many babies will be recruited, and even some babies have already been recruited. When respiratory diseases occur, one of the most common symptoms is expectoration. However, expectoration is a technical activity. Many babies have not mastered it, and some babies have not even learned the basic cough. Parents often can only judge whether the baby has phlegm by the wheezing sound in the baby’s throat. Aware that the baby has phlegm, one of the instinctive actions of many parents is to pat the baby’s back (pat phlegm), hoping to help the baby excrete phlegm through this loving action. In imagination, by repeating this action continuously, Read More …