Miniature two-channel liquid contrast flow cell

The utility model discloses a miniature two-channel liquid contrast flow cell which comprises a liquid cell disc and a two-channel detection device, a contrast liquid inlet is formed in the two-channel detection device, two groups of left optical fiber connecting ends are arranged on one side of the top of the two-channel detection device, first optical fibers are arranged on the tops of the left optical fiber connecting ends, and second optical fibers are arranged on the tops of the second optical fiber connecting ends. The upper portions of the two first optical fibers are connected with a one-to-two optical fiber cable, the top end of the one-to-two optical fiber cable extends out of the liquid pool disc and then is connected with laser equipment, and the other side of the top of the double-channel detection device is provided with an upper channel optical fiber connecting end and a lower channel optical fiber connecting end. And second optical fibers are arranged at the tops of the lower channel optical f