The invention relates to the field of traditional Chinese medicines, especially relates to a traditional Chinese medicine composition, and application and preparation method thereof, cold tea and a preparation method thereof, a medicinal preparation and a cosmetic. The traditional Chinese medicine composition is prepared from, in parts by weight, 9-18 parts of flos lonicerae, 2-8 parts of flos chrysanthemi, 1-5 parts of radix glycyrrhizae, 1-5 parts of herba lophatheri, 1-5 parts of herba menthae, 1-5 parts of spica prunellae, 1-5 parts of fructus lycii, 1-5 parts of fructus momordicae, and other raw materials. The traditional Chinese medicine composition possesses the efficacy of enhancing immunity and treating wind-heat cold, also possesses effects of resisting oxidation and maintaining beauty, has certain auxiliary treatment effect on diabetes, melancholia, hypertension, bronchitis and the like, also is capable of effectively treating excessive internal heat, heatstroke and constipation, contains heat, protein, carbohydrates, sodium and multiple elements, and other nutrients beneficial to human body, has the color, taste and other physical and chemical and hygienic indexes according to national standard requirements, and is extremely light in original unpleasant taste, sweet in taste and good in mouthfeel.