The two clubs meet in the Champions League group stages on Wednesday.
Ajax are top of their group, while the Blues are looking to get level on points with the Dutch side.
Experienced centre-back Blind knows he must watch out for the explosiveness of young Abraham.
"[Abraham] is doing very well at the moment, he's a big striker, scored a lot of goals," Blind told reporters.
"But I will take care of myself like I always do and we have to prepare as we always do - not just against the striker but also the whole team.
"We attack as a team and we defend as a team. I think that's the most important thing."