I tried to throw away trash in Shanghai and got yelled at by a grandma. I didn't know about sorting.
My friend from Denmark threw a coffee cup in the nearest bin. A Chinese grandma stopped him.She pointed at the cup. Pointed at the bin. Shook her head.
Then she pointed at four different colored bins across the courtyard.
My friend had no idea what she wanted.
Shanghai's trash sorting system:
Since 2019, Shanghai has enforced strict trash sorting. It's spreading to other cities. By 2026, most major cities have some form of it.
The four categories:
🔵 可回收物 (Recyclable) — blue bin
• Paper, cardboard
• Plastic bottles, containers
• Glass bottles
• Metal cans
• Clothes, textiles
🔴 有害垃圾 (Hazardous) — red bin
• Batteries
• Light bulbs
• Medicine
• Electronics
• Paint, chemicals
🟢 湿垃圾 (Wet/Kitchen) — green bin
• Food scraps
• Fruit peels
• Leftovers
• Tea leaves
• Flowers/plants
⚫ 干垃圾 (Dry/Residual) — black bin
• Everything else
• Dirty plastic wrap
• Used tissues
• Diapers
• Broken ceramics
The coffee cup dilemma:
My friend's coffee cup was:
• Paper cup → recyclable?
• But it had a plastic lid → separate?
• And leftover coffee inside → pour out first?
• The lid has a straw hole → dry or wet?
The answer: Pour out the liquid (wet bin). Rinse the cup. Separate the plastic lid (recyclable if clean). The cup itself goes to dry trash if it has a plastic lining (most do).
The grandma was trying to teach him this. He understood approximately 0%.
The unwritten rules:
• Timing: You can only throw trash during specific hours (usually 7-9 AM and 6-8 PM). Bins are locked outside these hours.
• No plastic bags in wet trash: Food scraps must go directly into the bin, not in a plastic bag.
• Community enforcers: Retired volunteers (like the grandma) monitor the bins and WILL correct you.
What happens if you get it wrong:
In Shanghai:
• First few times: verbal warning from the grandma
• Repeat offenses: your building management might contact your landlord
• Theoretically: fines (¥50-200) — rarely enforced on foreigners
• Practically: social shame is the real penalty
My friend's solution: He now saves all his trash in his apartment and asks his Chinese roommate to sort it. "I'm sorry, but the Danish system is 'put everything in one bin and magic happens.' This is too advanced for me."
Pro tip: Download a trash sorting app. Search "垃圾分类" on your app store. Take a photo of the item, it tells you which bin.
Anyone else confused by Chinese trash sorting? What's the weirdest thing you had to figure out?
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