Pediatric pharyngeal flat granules and pediatric elimination of cough oral solution of the manual does not specify that the two will occur drug interactions, the composition of the two drugs do not have contraindications, can be taken together, need to be under the guidance of a doctor to identify the use of medication. Pediatric pharyngeal flat granules are composed of honeysuckle, radix et rhizoma, xuan shen and so on. It has the efficacy of detoxification and pain relief, clearing heat and relieving pharynx. It can be used for children’s milky moth (related to tonsillitis in western medicine) and laryngeal paralysis (red, swollen and painful pharynx, or dryness, foreign body sensation, or itchy and uncomfortable pharynx, and difficulty in swallowing) caused by heatiness of the lungs and guards of the pediatrics, manifested as swelling and pain of the pharynx, vesiculization of the mouth and tongue, and prevalence of coughing and phlegm. Pediatric pharyngeal flat granules are contraindicated in diabetics, those who are allergic to this drug. Pediatric Cough Suppressing Oral Liquid is composed of hawthorn, loquat leaf, betel nut, hedgehog and so on. It has the effect of clearing heat and purging the lung, eliminating accumulation and relieving cough. It is used for children’s cough due to dietary stagnation and phlegm-heat in the lungs, aggravated at night, phlegm sounding in the throat, abdominal distension and bad breath. This drug is used for cough due to dietary stagnation, phlegm-heat impregnation of the lungs, and should be used with caution in cases of prolonged cough and loose stools due to deficiency of lung qi in the body.