Traditional Chinese medicine for treating children cough and preparation method of external use patch thereof

The invention discloses a traditional Chinese medicine for treating children cough. The traditional Chinese medicine is composed of the following components in weight percent: 5.88-37.34% of forsythia, 2.34-29.43% of angelica dahurica, 2.34-29.43% of biond magnolia flower, 5.67-25.43% of Japanese yam, 5.67-28.43% of Chinese fevervine, 2.67-25.43% of balloonflower, 3.34-25.43% of aster, 5.67-25.43% of ladybell root, and 5.82-35.22% of gynostemma, wherein the sum of the weight percents of all components is 100%. The preparation method of external use patch thereof is as follows: firstly immersing, distilling, extracting and concentrating all components to obtain an extract including a distillate and an extractum, then mixing with pharmaceutic adjuvants, and finally obtaining the patch through applying, cutting, standing, cross bonding, secondary moisture absorption and quality inspection and package. The medicine and the patch have the effects of dispelling wind, clearing heat, eliminating phlegm, stopping cough, dredging collaterals, inducing resuscitation, nourishing Yin and promoting body fluid, treat the children cough by the functions of antisepsis, antiviral, antipyretic, anti-inflammatory, eliminating phlegm, relieving cough, promoting digestion and improving body immunity, and meet the psychological characteristics of children during taking medicines, such as fear of bad taste and injection pain.