For some coughs that last too long, usually more than two weeks or a month, according to the facial color and tongue diagnosis, such as a cold cough, pay attention to the following three aspects: 1. Western and Chinese medicines used, do not be too Mongolian effect, otherwise children’s resistance will be worse, the medication should be mild. 2. Chinese medicines can be chosen from snake bile and chenpi liquid or orange red phlegm cough liquid. It is best not to use orange red phlegm cough liquid when there is a lot of phlegm. 3, usually pay attention to not eat cold food and clear heat detoxification of Chinese medicine, you can eat three courses of Yu Ping Feng granules or spleen ammonia peptide dry powder, each course of 15 days.