1. Mothers are worried about their children's health and safety: in dreams, snakes usually represent insecurity or potential threats. Mom dreamed that the child stepped on a big snake, which may reflect her concern or anxiety about the child's health and safety.
2. The mother's expectation of the child's growth and independence: The child stepping on a big snake may symbolize that the mother hopes that the child can respond bravely and confidently in the face of challenges. This may reflect the mother's expectation for her child's growth and self-reliance.
3. Mother's recognition of the child's potential ability: snakes can also be interpreted as potential strength or wisdom. Dreaming that the child stepped on a big snake may indicate that the mother recognizes the child's potential ability and hopes that the child can explore and use his potential.
It should be noted that Duke Zhou only provided a possible explanation, and the specific dream interpretation needs to be comprehensively analyzed in combination with the specific situation of the mother and other details. If you want to know more about the true meaning of dreams, you'd better consult a professional dream interpreter or psychologist.