Nowadays too many scam project just to cheat money, how u guys determine is it a good project?
Read the white paper first to see whether the idea is good or bad.
Come to this forum BitcoinTalk and read the ICO's announcement thread to see what people are saying about the ICO.
Look at the ICO team are they professionals capable of conducting the ICO or not.
Then, make conclusions is that ICO worth putting your money or not.