The invention discloses an externally applied traditional Chinese medicine extract with an effect of soothing senile pruritus, as well as a preparation and application thereof, and belongs to the technical field of cosmetic researches. The externally applied traditional Chinese medicine extract is prepared from the following raw materials in parts by weight: 15-50 parts of trollius chinensis bunge, 20-40 parts of saposhnicovia divaricata, 10-30 parts of paeonia suffruticosa, 5-25 parts of radix ophiopogonis, 10-20 parts of prunus mume, 1-20 parts of mistletoe, 5-15 parts of waltheria indica and 1-20 parts of centaurea cyanus. Experiments prove that the externally applied traditional Chinese medicine extract is safe and nonirritant to skin, has the effect of effectively soothing senile pruritus, can achieve the effect of inhibiting inflammation by inhibiting hyaluronidase, and can be used for fixing and protecting skin barrier, instantly and long-acting supplying skin moisture and preventing moisture loss, so that the effects of soothing, relieving itching, beautifying and nourishing skin can be achieved. The externally applied traditional Chinese medicine extract is prepared from easily available raw materials, is simple and convenient in preparation method, is environment-friendly and safe, and has good application prospect and market prospect.