The invention belongs to the field of traditional Chinese medicines and particularly relates to traditional Chinese medicine formula granules for treating children cough variant asthma and a preparation method thereof. The traditional Chinese medicine formula granules are prepared from the following raw materials: prepared herba ephedrae, cortex mori radicis, radix scutellariae, Japanese ardisia herb, semen lepidii, aster tataricus, flos farfarae, fructus perillae, lumbricus, radix platycodonis, bombyx batryticatus, rhizoma pinellinae praeparata, semen armeniacae amarae, prepared liquorice root, pericarpium citri reticulatae, periostracum cicada and lactose. The traditional Chinese medicine formula granules for treating the children cough variant asthma are carefully developed according tothe traditional Chinese medicine formula and preparation principles, and effective components are extracted according to the modern extraction technology of traditional Chinese medicine, so that thetraditional Chinese medicine formula granules have the characteristics of strong pertinence, good curative effect, short period and no toxic and side effects.