You can come, pay attention to start eating rhodiola a week in advance. Prepare plateau medicine and American ginseng slices. Before going to Lhasa. First go to Xining, Dali, Lijiang, Linzhi and other cities with an altitude of 2000-3000 for a few days to transition, and then come to Lhasa, Shangri-La and other places with an altitude of more than 3500 in about three or four days. Buy an oxygen tank after you come up, pay attention to reducing the amount of exercise, and move slowly. This will minimize altitude sickness.