What pants and shoes should girls wear in a black trench coat? What color clothes should I wear inside?

Pair it with slim feet pants and boots, or jeans with sneakers or high-top canvas shoes.

You can wear a white T-shirt inside, preferably in Europe and America, with black letters on a white background and a plaid scarf. You can also try a long and wide shirt.

Actually, I think you can try a black trench coat with bright eyes. Unless you have a good temperament and white skin, you should add some bright colors.