Part One: Practical Suggestions for Dealing with Street Vendors

1. Identifying Legality and Safety
2. Legal Stalls: Usually have fixed locations, unified signs, or government permits (such as night markets or designated areas in scenic spots).

3. Mobile Vendors: Be cautious, especially in popular tourist attractions or transportation hubs, where there may be issues with unlicensed operations or inflated prices.

4. Response Strategies

5. Polite Refusal: Smile and wave your hand while saying "No thank you" ("Bú yòng le, xièxie").
6. If Interested, Precautions Needed:
   • Food Category: Observe hygiene conditions (such as whether ingredients are covered, or if gloves are worn during handling), avoid raw and cold food.
   • Goods Category: Ask the price in advance ("How much?" / "Duōshǎo qián?"), you can try reasonable bargaining (generally a discount range of 10%-30%).

7. Avoid Entanglement: If you encounter overly enthusiastic sales pitches, clearly leave or seek help from nearby security personnel.

8. High-Risk Scene Reminders

9. Around Tourist Attractions: Be cautious when buying expensive souvenirs (such as jade, tea), it’s recommended to purchase from legitimate stores.
10. Transportation Hubs: Avoid "black car" services or scalper tickets, prioritize using official channels (such as booking through 12306).

Part Two: Practical Guidelines for Handling Photo Requests

1. When Requested to Take Photos (You as the Subject)
2. Common Scenarios: Some Chinese people (especially elders or those from ethnic minority regions) may out of curiosity request to take photos with foreign tourists.

3. Response Methods:

   • If Agreeing: Keep your personal belongings safe, avoid handing over your phone/camera to strangers.
   • If Declining: Smile and say "Sorry, not convenient" ("Bù hǎo yìsi, bú tài fāngbiàn").

4. Initiating Photographs of Others or Scenes

5. Cultural Etiquette:
   • Seek Permission: Before photographing individuals (especially elders, children, or ethnic minorities), gesture or ask "Can I take a photo?" ("Kěyǐ pāizhào ma?").
   • Religious/Sensitive Areas: Temples, mosques, etc., may prohibit photography, follow on-site instructions.

6. Paid Photography: Performers or vendors dressed in traditional costumes within scenic spots may charge fees, confirm the price in advance.

7. Beware of Photography Scams

8. "Free Photography" Traps at Tourist Sites: Some people attract tourists with "free photography," then demand high printing fees afterward, it's best to directly refuse.
9. Security of Valuable Equipment: In crowded areas (such as Beijing Wangfujing, Shanghai Bund), be mindful of theft.

Part Three: General Precautions

1. Language Communication
2. Use translation apps (such as Google Translate, Tencent Translation) or simple Chinese phrases for communication.

3. In emergencies, call 110 (police) or 12301 (tourism complaint hotline).

4. Payment Methods

5. Street vendors generally accept WeChat/Alipay, some may only accept cash, carry small denominations of RMB (such as 10 yuan, 20 yuan banknotes).

6. Cultural Sensitivity

7. Avoid photographing military installations, government buildings, or places marked "No Photography."
8. In ethnic minority areas (such as Yunnan, Tibet), respect local customs; consult tour guides or locals before taking photos.