Looking at the trend, the upper left and the lower right are downward trends, and the lower left and the upper right are upward trends.

Second, look at the form and price, which is the main trace of entry and exit.

Third, look at the breakthrough point and defense point.

The significance of single K is that the upper edge of the positive line is the closing price, the lower edge is the opening price, the upper shadow line is the high price, and the lower shadow line is the low price. If the negative line is used, the upper edge is the opening price, the lower edge is the closing price, and the lower shadow line is the same as the positive line.