What does it mean to dream your child is getting cut and seeing blood?

It is impossible to guess at any meaning without further information about this particular dream. For instance, dreaming that a daughter has begun her menstrual bleeding would be very different from dreaming that a daughter has been wounded or has a sickness that causes bleeding. Very generally, it is certain that the dream does not predict any future event or tragedy. Instead, it expresses the dreamer's own fears or disturbing memories. On its deepest level, the daughter in the dream is a symbol of the dreamer, and the blood represents the dreamer's energy, strength or health.