New two-photon absorption dyes including benzophenone parts,p-N,N-diphenylamino-p’-phenacylstilbene(C1),4,4-di-(4- benzoylstyrene)yltriphenylamine(C2) and 4,4’,4"-tri(4-benzoylstyrene)yltriphenylamine(C3),were synthesized and characterized by ~1H NMR and elemental analysis.The ratio of the molar extinction coefficients of compounds was approximately equal to the ratio of the branch amount of the compounds,namely,C1:C2:C3 was 1:2:3.Extremely high fluorescence quantum yields were detected for these compounds.These molecules exhibited obvious two-photon upconcerted fluorescence as excited by 800 nm Ti:sapphire femtosecond laser. New two-photon absorption dyes including benzophenone parts, pN, N-diphenylamino-p’-phenacylstilbene (C1), 4,4-di- (4- benzoylstyrene) yltriphenylamine (C2) (4-benzoylstyrene) yltriphenylamine (C3), were synthesized and characterized by ~ 1H NMR and elemental analysis. The ratio of the molar extinction coefficients of compounds was approximately equal to the ratio of the branch amount of the compounds, namely, C1: C2 : C3 was 1: 2: 3.Extremely high fluorescence quantum yields were detected for these compounds. These molecule folding obvious two-photon upconcerted fluorescence as excited by 800 nm Ti: sapphire femtosecond laser.