A traditional Chinese medicine composition and its application, a traditional Chinese medicine preparation for external use and a preparation method thereof. The traditional Chinese medicine composition includes the following raw materials by weight: at least one of Aconitum Aconitum and Aconitum Aconitum 5-50 in total; at least one of Coptidis Rhizoma Sophorae, Sophora Sophorae, Curcuma, Lovularia, Baishenpi and Sichuan Pepper in total 10 parts ‑100 parts; ephedra, 10‑100 parts; bitter almond, 2‑20 parts. The traditional Chinese medicine composition has the functions of anti-inflammatory, antibacterial, bactericidal, promoting blood circulation and removing blood stasis, clearing away heat and detoxification, removing erosion, dispelling cold and dehumidification, astringing sores and promoting granulation, and is suitable for skin diseases, eczema, dermatitis, beriberi and facial sores in children, etc. And vaginitis, cervicitis, adnexitis, cervical erosion, abnormal leucorrhea, itching and redness of the genitals caused by hot and humid betting, insect erosion and hemorrhage resistance.