2. The cross star is a special form of pregnancy, that is, the "cross star" appears after the stock price closes a big Yang line or a big Yin line. Generally speaking, the emergence of "cross tire" has the following market significance: "cross tire" only means that the original trend of the market is difficult to maintain, but it does not mean that the market will reverse immediately. "Cross tires" may also be the temporary balance point of the market's long and short forces. If the original market forces still dominate, it may turn into a consolidation state. "Transverse fetus" is the main inversion form which is much more important than pregnancy. The effect of "cross tire" in the upward trend is much stronger than that in the downward trend.