1. Increased educational expenses: Nowadays, the educational expenses are increasing, and school tuition, remedial classes and various training courses all make parents spend more money.

2. Increased medical expenses: The frequency of children's illness has also increased, and medical expenses are also rising.

3. Increased cost of living: With the development of society, prices have risen, and children's ordinary living and supplies costs have also increased.

4. Increased social pressure: Nowadays, parents generally pay more attention to their children's education and growth, so they should spend more energy, time and money to provide a better growth environment for their children.

To sum up, there are many reasons why raising children is expensive now. Parents need to plan their lives and their children's education and growth plans more rationally.