Wedge is a kind of figure in mathematics, the most common ones are rising wedge and falling wedge. The shape of wedge is similar to "inverted triangle", which is the shape of irregular cross section of sawdust and stone. Generally speaking, this section should have sharp corners, like a wedge. The wedge usually consists of 7 wavelets, and occasionally there are 5 and 9 waves. The composition law of wedge-shaped inner belt is not limited by the "iron law" of wave theory. RisingWedge is English for Rising Wedge, which is one of the wedge-shaped forms and the corresponding form of falling wedge-shaped form. Rising wedge is one of the strong price consolidation forms formed by two rising trend lines that will eventually meet, while falling wedge is formed by the gradual convergence of two falling trend lines and finally convergence in one place, which is usually regarded as a bullish form.