In the well-known K-line chart, although it is only a simple combination of Yin and Yang K-lines, if it changes, the length, size and order of K-lines all imply its new changes. What are the basic forms of 12 in K-line diagram? The basic forms of 12k-line diagram are heavy bottom, head and shoulder bottom, arc bottom, rectangular bottom, heavy top, head and shoulder top, arc top, rectangular top, pregnancy line, cross star and three crows. Generally speaking, the trend of these basic forms of technology contains almost all forms, and we need to pay close attention to their changes and carry out corresponding operations when we encounter such graphics in operation. Let's introduce the three types: heavy bottom, double top and red three soldiers. Heavy bottoming refers to the continuous fluctuation of stocks at the bottom, forming a trend of consolidation and rising after many bottoms. As shown in the figure: after the stock hit a new high, the second wave of rise began to fall before reaching the previous high, and the second decline also fell below the low point of the last decline. As shown in the picture: The Red Three Soldiers are simply the three consecutive Yang lines. Before this positive line, it either falls or continues to consolidate, which means a strong upward pattern. As shown in the figure: We briefly introduced three forms of 12 K line, and we will elaborate on the rest in the next article.