She started to cries night and day? We had to start bring her inside but she still cries if she is alone.
But I can't let her roam the house because I have two cats and she will kill them.
Please help me.

So where is your dog kept most of the time? Is she spayed?
Dogs are pack animals so when left alone, they become lonely, she may be crying out of boredom. Dogs shouldn't be left for long periods by themselves. They need to be socialized with other humans and dogs, as well as have a regular exercise routine.

If she is unaltered, than she could be going through a heat, in which case I suggest getting her spayed.

I agree with Bella, had to spread the rep.

It sounds like she's an outside dog. Dogs are social creatures, they need to be with their pack, in this case, you.

She's most likely crying because she is lonely. If you cannot have her indoors than it's best to find someone that can, someone without cats (since the dog seems to dislike them).

She needs to be a part of the family, not stuck outside by herself.

If it's a young pup its propaly missing its mother so put a hot water bottle under her and a clock neer her because the thick of it she thinks its her mothers heart

if its a young pup its propaly missing its mother so put a hot water bottle under her and a clock neer her because the thick of it she thinks its her mothers heart

If you read the thread, you'll realize that this dog is not a young pup, it's an outdoor dog, which is mostly likely the cause of the crying.

Putting a hot water bottle and clock near her won't work at this stage, that's for young puppies, not older ones.