When i checked address 1Po1oWkD2LmodfkBYiAktwh76vkF93LKnh
in
http://omnichest.infoi found address show different amount, is this mean this address can receive multi coins.
example can i send bcc ot usdt to this address?
If you own the address and they're forked coins that follow the same sort of algorithm then technically yes.
Although there are others like BCG and LTC that don't follow this format so for those it won't work so you need to be careful with it. And also, it's not very safe to put all your coins on one private key.