The invention discloses hair-loss-prevention shampoo. The hair-loss-prevention shampoo is prepared from the following raw materials: an anionic surfactant, a nonionic surfactant, a zwitterionic surfactant, a cationic surfactant, a traditional Chinese medicine extract, a hair-loss-prevention composition, glycerol, panthenol, cetostearyl ethyl hexanoate, xanthan gum, guar gum hydroxypropyl trimethylammonium chloride, sodium benzoate, citric acid, ethylenediamine tetraacetic acid disodium salt and deionized water. The hair-loss-prevention shampoo disclosed by the invention has a good hair-loss-prevention effect; through addition of the hair-loss-prevention composition and the traditional Chinese medicine extract, the hair loss prevention effect can be significantly improved; the hair-loss-prevention shampoo is good in high-temperature stability; and the traditional Chinese medicine extract is low in hygroscopicity and stable in quality.