What should I pay attention to when preparing to travel to western Sichuan? What are the essentials?

Western Sichuan belongs to the plateau area, and the temperature difference between day and night is large, so it is necessary to bring enough clothes and warm coats. Especially from plain areas to plateau areas, altitude sickness may occur, so some altitude sickness or wind-cold drugs should be prepared; In order to better record your travel and beautiful scenery, high-definition camera is a good choice; Because of the complex terrain in the high slope area over there, I suggest you wear sports shoes or hiking shoes; Western Sichuan is relatively a little bit, and there are fewer banks. Be sure to bring enough money for defense; I want to camp in western Sichuan, take a pole, a tent and a blanket. I'd better travel with some friends and carry a good bag! Travel all over western Sichuan Have a nice trip! Have something good to share!