How can unlock my account

What sort of account is it? Do you know why it was locked?

How can unlock my account ?

Yahoo

There are another people try to log in my account

How do you know that? Usually when you'e locked out of email accounts, its only temporary. For example, if I mistype my password too many times, my account will be locked for something like 15 minutes. If it's not temporary there should be a customer service number you can call.