Fistly,many advertisements played by TV,so many kids can see these advertisements.It is very possible that they see some bad information.It is a porblem.Becase these kids don't have the ability of identifing things.These bad information may influence them deeply.Maybe it can cause crime.
Secondly,many advertisements publishers play advertisements that isn't true.So,becase of fake advertisements,many peple may be fooled!
these are some negative effects of advertisements.