1. stock investment: buying stocks is one of the most common investment methods. Investors can buy shares of listed companies, hoping that the share price will rise and get returns through dividends or stock appreciation.

2. Bond investment: Bond is a fixed-income investment tool, and investors can get the fixed interest paid by the issuer after buying the bond. Bonds are generally considered as a relatively low-risk investment method.

3. Real estate investment: Real estate investment is a way to obtain income by buying, leasing or selling real estate. This may include investment in residential, commercial real estate or land.

4. Futures and options trading: Futures and options are derivatives, allowing investors to trade the future prices of commodities, currencies or financial instruments. These trading forms have leverage effect and can obtain high returns in a short time.