Toothbrush. A cup for brushing your teeth. Washbauer Plastic bucket with cloth. Drink a glass of water on the hanger. Quilt. Pillow. Bamboo raft. Mosquito nets, tissues. Spoons (you'd better prepare them yourself, the spoons in the canteen are unsanitary). Chopsticks. Lunch box. Mirror. Compound alarm clock (or not, the school will broadcast on time in the morning). Low stool. Change the table for the bed (this can be bought at school, not more expensive than outside). Lock the iron cabinet. Slippers. Shampoo. Bath gel soap Soap box emergency light. Snacks (this is more important). Sunscreen (you just need military training at school, so you'd better take it with you, or you may get sunburned)
That's about it. If you still want to contribute to the dormitory. You can also buy a washing machine. Clothesline (there is clothesline in the dormitory, but clothes can't be hung outside in rainy days, so you need to take them back to the dormitory with clothesline). In fact, many things can be bought collectively in the dormitory, and there is everything in the canteen. Don't be afraid to bring things.