600 thousand can invest in catering, or building materials, women's products, children's playground. Or start education and training for minors, such as calligraphy, English and music education, and find a qualified teacher as a partner. You can find a partner, or find a popular store to open a small supermarket 7- 1 1. The more radical ones can invest in the stock market, foreign exchange market or speculate in gold, but the risk is high and scrambled eggs have good returns.