You are a novice, aren't you? I'll answer you when I see it today. I'll draw you a picture: you don't have an upside-down head and shoulder shape, that is, the head and shoulder shape, and the top is called the head and shoulder shape. Head-shoulder top shape is a reliable rising signal, but it also has a failure shape. Generally, when breaking through the neckline, a standard buying point is formed, and a breakthrough chasing up or stepping back to buy.