1, look at the stitches. Real clothes have high requirements on stitches, and there are strict requirements on the number of stitches per inch, so intuitively, the stitches of real clothes are even and fine, and fakes often don't care so much.

2. Look at the label. The real logo is elaborate. If they are vague, they must be fake. But now it's too fake, and it can be done as real.