The invention discloses a composition for treatment of asthma and asthmatic bronchitis and a preparation method thereof, wherein the composition comprises the following raw materials in parts by weight: 15-30 parts of gingko, 5-40 parts of perillaseed, 10-40 parts of flos farfarae, 10-50 parts of herba ephedra, 10-30 parts of pinellia ternata, 5-20 parts of mulberry bark, 5-25 parts of apricot kernel, 10-35 parts of radix scutellariae, 4-15 parts of liquorice, 5-13 parts of borneol, 20-35 parts of folium artemisiae argyi, 5-20 parts of semen lepidii, 10-35 parts of semen brassicae, 20-35 partsof endothelium corneum gigeriae galli, 10-30 parts of pericarpium citri reticulatae, 5-20 parts of mint leaves, 2-10 parts of radix astragali, 5-20 parts of wizened scutellaria and 10-25 parts of trichosanthes kirilowii maxim. Through synergism of various raw materials, the prepared finished product has good effects of relieving lung, relieving asthma, clearing heat and resolving phlegm, has goodtreatment effect on bronchial asthma, acute bronchitis, acute attack of chronic bronchitis, upper asthma, saliva in larynx and voicelessness and the like, has no toxic or side effects and allows diseases not to relapse.