When a four-year-old child develops breast lumps, parents should closely monitor the situation and consider seeking professional medical advice.

Discuss the case of a 6-year-old girl with breast lumps suspected of precocious puberty, and provide professional medical advice and treatment directions.

According to the description, it may be related to the newly added growth hormone-like substances in seasonal food, and it is recommended to undergo a blood hormone test while taking medication such as dispersible tablets to improve symptoms.