In the investment world, high returns are usually accompanied by high risks. You need to be very cautious when pursuing fast high-return investments. Here are some possible high-risk high-return investment methods, but be sure to carefully research and consider before investing: 1. **Cryptocurrency**: The cryptocurrency market is extremely volatile and can bring huge gains in the short term, but it can also lead to significant losses. 2. **Leveraged trading**: By borrowing funds to trade, you can magnify your gains, but you also magnify the risk of losses. 3. **Stock options**: Buying call or put options may bring quick gains, but if the market moves in the opposite direction of your expectations, the investment may be lost entirely. 4. **Startup investment (angel investment)**: Investing in startups may earn several times the return when successful, but it also has a high failure rate. 5. **Foreign exchange trading**: The volatility and 24-hour openness of the foreign exchange market provide opportunities for quick profits, but require in-depth market knowledge and experience. 6. **High-risk bonds (junk bonds)**: These bonds have higher interest rates, but the credit risk of the issuing company is also higher, and the possibility of default is high. Before making any high-risk investment, it is recommended to measure your risk tolerance and ensure that the investment amount is within the range of personal tolerance for loss. At the same time, conduct detailed research and consult professionals in order to make an informed decision.