My wife has mental problems, and now she has left home to go to her mother's house, we have a one year old daughter still how to do.

Sympathize with you, have such a wife is definitely a burden, suggest that you still first find the authority of the hospital to see, if necessary, we have to carry out isolation, because she this situation is not good for other people, if not good to see, apply for a divorce, so it will be more ruthless, but for the child's future, for your family, this is also no way in the way