Abstract: Application of the extract from baccae of Persea americana L.in cosmetic industry has been studied.(Results) show that:1)Commingling the shampoo of ordinary formulation with avocado oil in the proportion of 1.0%-(1.2%),which is extracted from the baccae of P. americana L.,the stability,the restrainability of bacteria and mildew,the foamability and the antidandruffing ability of the shampoo will be enhanced;2)A proportion of 5% avocado oil in the skincream will increase the restrainability of comedos and dead skin,moisturizing and antisenescing ability of the cream;3)Avocado oil(1.0%-1.2%) in soap and showering gel has the functions of excellent antistimulation,moisturization and deodorization even at lower proportion than other surfurctants.