Employment opportunities: Big cities usually have more employment opportunities and higher salary levels, especially for those with professional skills and high education.

Development opportunities: Big cities are the centers of enterprises and industries, with more development opportunities and resources. Many people choose to go to big cities to develop their own careers.

Cultural and social activities: There are more cultural and recreational activities in big cities, including museums, concerts, movies, food and so on, which are very attractive to people who like cultural and social activities.

Educational resources: Big cities have better educational resources, including prestigious schools, high-level educational institutions and better teaching facilities, attracting many parents and students to study.

Convenient life: Big cities have more commercial and service facilities, including shopping centers, medical facilities, convenient transportation and so on, which make life more convenient and comfortable.

It should be pointed out that going to a big city is not necessarily the best choice for everyone, and people need to weigh and choose according to their own situation and needs when making decisions.