1, necessary drinking water: mineral water, purified water, brackish water, functional drinks, etc. It is best not to choose juice soda with more sweetness. Remember: Don't act rashly if there is unknown water source on the mountain! 2, food: small and compact packaging, easy to carry, can replenish energy and physical strength at any time and not thirsty, mainly chocolate, compressed biscuits and so on. In fact, if it is not an undeveloped barren hill, you can find food everywhere, just spend more. 3. You can bring some fruits and vegetables that are convenient to eat. See if you are willing to wash toiletries: towels, toothbrushes, toothpaste, combs, shower caps, hairpins, shampoos, facial cleanser, soap, sunscreen and lip balm tools: tents, damp-proof mats, floor mats, backpacks, outer bags, purses, headrests, sleeping bags, headlights, trekking poles, walkie-talkies, knives, compasses and whistles. Disposable tablecloths and garbage bags: pants, jackets, raincoats, down jackets, (warm) underwear, socks, gloves, hats, scarves, swimsuits, goggles, hiking shoes and sandals. Food: bread, fish sausage, compressed biscuits, chocolate, beef jerky, throat lozenges, raisins, mustard tuber, water, milk and sandals. Mobile phone, charger, battery, lighter, windproof match, rope, sewing kit, rubber band, lock, spare medicine: cold medicine, anti-inflammatory medicine, cooling oil, mosquito bite, white flower oil, Yunnan Baiyao, chlortetracycline eye ointment, alcohol cotton, band-aid, adhesive tape, gauze, band-aid, norfloxacin, berberine and denatured polyacrylonitrile.