I'm a Tibetan in Lhasa, Tibet. First of all, I want to be surprised by the irresponsible answer of "Tom, dick and Harry". The law and order in Tibet can be said to be very good. You will know when you arrive, and I won't say it in detail. It's unnecessary. Back to the problem itself. If you have a bad respiratory tract in Tibet, there is not much problem. It is best not to catch a cold. Then go to Tibet, no matter what month you plan to come, don't just bring short sleeves in summer, because of the big temperature difference, you should bring some long-sleeved clothes and trousers. If you only bring two short sleeves for sightseeing, you can't wear them. Then the most important thing is to buy a lipstick, because it is dry here, and your lips will crack seriously, because the south is still humid after all, and you will not be able to adapt at once. Umbrella sunscreen is also a must, and it seems that you will always use it when you go out. Then I think you can buy drugs and the like if you feel uncomfortable here, otherwise it will waste money, because many people don't respond at all. You can buy them at Shengjie Pharmacy or Lhasa Pharmacy, which are two pharmacies with relatively complete medicines in Lhasa and recommended by special people. If you have any difficulties in coming to Lhasa, you can trust me privately, and I will help you. Also, when you come to Lhasa, you'd better not dress up like a tourist and wear a jacket or something. Businessmen specialize in killing people like you ~ ~