Generally, you should wear down jackets when it is coldest in winter, and normal cotton-padded clothes will do when it is not cold.
Shoes, ordinary casual shoes are also acceptable.
Chongqing people speak Chongqing dialect, which is similar to Mandarin, but the tone is different. Most of the sounds are the same as Mandarin, with only a few local dialects.
Chongqing University of Posts and Telecommunications is in Nanshan, so it shouldn't be too hot. All university dormitories in Chongqing have no air conditioning.
There is no heating in winter, and there is no heating. It won't be tens of degrees below zero in the north, and Chongqing, the coldest city, won't exceed zero and won't feel cold.
Finally, Nanshan has a good scenery. In March and April, there are cherry blossoms all over the mountain ... The scenery is very good ... Chongqing people prefer to eat Chili, which is Sichuan food.