How to reasonably use the fingering of flute and the fingering of alto 1 and treble 1 when the barrel is intercropped with 2?

The problem you mentioned actually bothers many people. You said fingering doesn't have to be like this. When I play this note, I raise it to 1. When I restore the treble to 1, all three fingers of my left hand are open, and then I rely on my forefinger and middle finger to find the note, that is, I press half a hole, because the flute itself is not as accurate as a reed instrument, and the pitch will be affected by many external conditions such as weather. This requires your own experience. It takes a long time to practice to achieve very good results. At first, it was difficult to reach the high note 1, a new song by herders. If you can't press it well, you can slide from 6 to 1 to find a balance.