It comes down to personal preference.
For example:
If you want to see the sea, go to Hainan, Fujian, Guangdong, Guangxi, Shandong, etc.
If you want to hike to see the snow-capped mountains, Yunnan Yubeng or Siguniang Mountain
If you want to see the customs of ethnic minorities, visit various villages in Congjiang, Liping or Rongjiang in Guizhou
If the plateau scenery adds Tibetan culture: Seda
If you like slow life in the city: Chengdu, Fuzhou
If you like humanities and culture: Beijing, Xi’an, Shanghai, Chengdu, Chongqing
If you want to go shopping: Hainan, Shanghai
If you like ancient cities: Dali, Zhenyuan, Langzhong, Lijiang, Jianshui
If you like ancient towns: Zhouzhuang Ancient Town, Wuzhen Ancient Town, Tongli Ancient Town, Xitang Ancient Town, Nanxun Ancient Town, Xidi, Hongcun, Heshun Ancient Town and Luzhi Ancient Town in the Yangtze River Delta
If you like humanities + urban agglomerations: Jiangsu, Zhejiang and Shanghai
If you like to see mountain scenery: Jiangxi (Lushan Mountain, Sanqing Mountain, Wugong Mountain, Guifeng Mountain, Longhu Mountain), Anhui (Huangshan Mountain, Jiuhua Mountain), Hunan (Zhangjiajie, Hengshan, Langshan, Shaoshan), Hubei (Wudang Mountain, Shennongjia) , Sichuan
If you are interested, you can check out my travel notes:
Guangdong Province:
Traveling alone in Hainan and Guangdong for 52 days - Guangdong Part 1 (Itinerary, Xuwen, Zhanjiang, Gaozhou and Yangjiang complete guide)
https://www.mafengwo.cn/i/24457576.html
Traveling alone in Hainan and Guangdong for 52 days - Guangdong Part 2 (Full guide to Kaiping, Jiangmen and Zhongshan)
https://www.mafengwo.cn/i/24471319.html
Traveling alone in Hainan and Guangdong for 52 days - Guangdong Part 3 (Full guide to Zhuhai, Shunde and Foshan)
https://www.mafengwo.cn/i/24504066.html
Traveling alone in Hainan and Guangdong for 52 days - Guangdong Part 4 (Full guide to Guangzhou, Zhaoqing, Qingyuan and Lianzhou)
https://www.mafengwo.cn/i/24518077.html
Still being sorted out
Hainan Province:
Departing again after four years—traveling alone in Hainan and Guangdong for 52 days—Hainan, 18 days around the island Part 1 (Itinerary, Haikou, and Wenchang complete guide)
https://www.mafengwo.cn/i/24425799.html
Traveling alone in Hainan and Guangdong for 52 days - Hainan island tour for 18 days Part 2 (full guide to Qionghai, Boao, Wanning and Lingshui)
https://www.mafengwo.cn/i/24429393.html
Traveling alone in Hainan and Guangdong for 52 days—Hainan island tour for 18 days Part 3 (Sanya, Wuzhishan, and Oriental Guide)
https://www.mafengwo.cn/i/24440636.html
Guizhou part:
Semi-Solo Travel - Guizhou Chapter (16 days around Guizhou, Guiyang, Xingyi, Anshun, Zhijin, Libo, Kaili, Zhenyuan, Fanjingshan, Zunyi, Chishui):
http://www.mafengwo.cn/i/3248537.html
Guangxi part:
Traveling alone - Guangxi Half Moon (Nanning, Detian Waterfall, Fangchenggang, Beihai, Weizhou Island, Liuzhou, Guilin, Yangshuo, Hezhou, Huangyao):
http://www.mafengwo.cn/i/5375514.html
Fujian part:
Traveling alone - Fujian Part 1 (24 days around Fujian: Fuding, Xiapu, Fuzhou, Pingtan Island)
http://www.mafengwo.cn/i/6547295.html
Traveling alone - Fujian Part 2 (24 days around Fujian: Meizhou Island, Quanzhou, Xiamen, “Yunshuiyao” Tulou)
http://www.mafengwo.cn/i/6570473.html
Traveling alone - Fujian Chapter 2 (24 days around Fujian: Longyan, Liancheng, Yongan, Taining, Wuyishan)
http://www.mafengwo.cn/i/6603362.html
Yunnan part:
One person, one backpack, 54 days, two countries and one province: Yunnan Province 32 days (Part 1) Jinghong Pu’er Jianshui Yuanyang Puzhehei Maitreya Luoping
http://www.mafengwo.cn/i/8995905.html
One person, one backpack, 54 days, two countries and one province: 32 days in Yunnan Province (Part 2) Kunming Dali Jizu Mountain Tengchong
http://www.mafengwo.cn/i/9023825.html
One person, one backpack, 54 days, two countries and one province: Yunnan Province 32 days (Part 2) Lijiang Tiger Leaping Gorge Shangri-La Feilai Temple Yubeng
http://www.mafengwo.cn/i/9042245.html
Sichuan part:
Traveling alone - Sichuan Part 1 (39 days around Sichuan: Dazhou, Bazhong, Micangshan, Guangyuan, Tangjiahe, Baoen Temple)
http://www.mafengwo.cn/i/18537874.html
Traveling alone - Sichuan Part 2 (39 days around Sichuan: Jiuzhaigou, Ruoergai, Bipenggou, Qingcheng Mountain, Dujiangyan)
http://www.mafengwo.cn/i/18593587.html
Traveling alone - Sichuan Part 3 (39 days around Sichuan: Siguniang Mountain, Seda, Daocheng Yading, Hailuogou)
http://www.mafengwo.cn/i/18651913.html
Traveling alone - Sichuan Part 4 (39 days around Sichuan: Ya’an, Emei, Leshan, Zigong, Neijiang, Suining, Guang’an, Langzhong, Chengdu)
http://www.mafengwo.cn/i/18722626.html
Tibet part:
One person’s ACT, one person’s Nepal (in and out of Tibet) [2018.11.04~12.10]
http://www.mafengwo.cn/i/11787898.html
Beijing part:
Traveling alone in 2018 Extra: Beijing - Museum Tour (2018.12.12~2018.12.25)
http://www.mafengwo.cn/i/11673738.html
“Pseudo” traveling alone - District-by-district play in Beijing City Part 1 (Beijing 9th, Chaoyang District, Haidian District, Dongcheng District)
http://www.mafengwo.cn/i/9356337.html
“Pseudo” traveling alone - District-by-district tour of Beijing City Part 2 (Beijing 9-day, 4-day tour of Dongcheng District)
http://www.mafengwo.cn/i/9400197.html
Jiangsu, Zhejiang and Shanghai parts:
People on the journey: Shanghai, Suzhou, Hangzhou 8-day tour (2018.01.21~29)
http://www.mafengwo.cn/i/8613122.html
Hope my answer can help you!
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