The six lines with different colors on the K-line chart represent the average price of stock prices at different times. It is a combination of stock moving average system. For example, MA5 represents the average price obtained by dividing the closing price on the 5th by 5. Others and so on. The stock price runs long on the moving average system, so you can buy stocks and hold them patiently; Under the EMA system, the stock price runs short, so you can sell stocks and wait patiently for the bottom to come before buying stocks.