The meaning of "adjusting four and fishing two" is to adjust to four eyes and fish two eyes in the process of adjusting the drift. This is a technique to bring fish, adjusting the drift when the empty hook half-water adjustment of four eyes, that is to say, the float exposed to the water surface four eyes, fishing when hanging double bait, and then adjust the position of the float, so that it is exposed to the two eyes can be. It should be noted that the actual fishing process do not only use this one way, according to the water conditions to make changes.