If you must prepare anything, please refer to the following: Prepare items: (1) Medicine 1, Rhodiola: One month before entering Tibet, you can soak some Rhodiola herbs with tea every day, or take some finished medicines to gradually adapt your body to the anoxic environment. You can also bring a small bag of medicinal materials into Tibet. Rhodiola oral liquid can be bought locally and eaten if necessary. 2. Gao Yuan 'an: It is sold in big cities such as Lhasa. After entering Tibet, you can take it when you feel uncomfortable in Tibet for a long time. 3. Compound Danshen Dripping Pills or Quick-acting Jiuxin Pills: Prepare 2-3 boxes. If you feel chest tightness and shortness of breath during storage, you can take 10 pills, which can relieve symptoms quickly and have excellent effect. 4, cold medicine, gastrointestinal medicine, antipyretic and analgesic drugs, antibiotics: according to their own needs and habits. 5. Snake: Just entering the plateau, it is easy to lose sleep. It is suggested that I can eat half a piece of serpentine and sleep well. My mental state and physical strength will improve the next day, my adaptability will be enhanced, and serpentine will not form dependence. 6, American ginseng buccal tablets: help to relieve fatigue, enhance physical fitness, reduce altitude sickness. 7. Bring enough self-medication, some of which may not be available in Tibet. (2) Daily necessities: 1, flashlight or emergency lighting: power failure often occurs in places below the county seat, and lighting facilities such as street lamps are insufficient. 2, umbrella, can prevent sun and rain. 3. Bring a sheet: If the work station is not clean, you can put it on. 4, sunglasses: preferably polarized light, anti-ultraviolet, anti-snow blindness. The ultraviolet rays here are particularly strong. 5, waterproof coat, pants, hiking shoes: there is a lot of rain in summer. 6, sweaters, warm clothes: cold at night. 7, sun hat, sunscreen. Never catch a cold in Tibet, or it will be dangerous. Pay attention before entering Tibet. If you catch a cold, don't enter Tibet for the time being. Note: The biggest difference between Tibet and the mainland is the high altitude, altitude sickness, and it is colder than the mainland, so it is warm when there is sunshine. Just wear a long-sleeved T-shirt, but when there is no sun, the temperature will drop immediately, and you won't feel hot when you wear a thin sweater. It will be colder at night, and I will sleep with a quilt in midsummer. 8. Wear sunglasses when going out, it is best to prevent ultraviolet rays. 8, strong ultraviolet rays, do a good job in sun protection measures, such as applying sunscreen, wearing a sun hat, playing a sun umbrella, etc. , to prevent skin burns.