Explaining a food allergy in Chengdu is not mainly a language problem, though language is part of it. It is a structural problem: Sichuan cooking uses shared pots, reused oil, and complex sauces whose contents are not obvious from the name of the dish. Peanuts, soy, gluten and shellfish appear in places Western visitors do not expect.
The workable approach combines three things: a printed card in Chinese, advance awareness of which local dishes are risky, and choosing restaurants where the kitchen is small enough for your request to reach the person cooking.
Know this before you order, because asking after the food arrives means starting over.
The most widespread hidden allergen in Sichuan cooking. Peanut appears ground into sauces, scattered as garnish, and blended into chili oil. Dishes that taste of nothing but chili may still contain peanut in the oil. Sesame, though not a major allergen for everyone, is nearly ubiquitous.
Soy appears as soy sauce, fermented bean paste and tofu products, and it is foundational rather than incidental. Wheat gluten is likewise served as a named ingredient in some dishes, and soy sauce generally contains wheat.
Dried shrimp and seafood-based seasoning powders go into savory dishes and broths more often than visitors expect, including apparently vegetarian vegetable dishes. Fish sauce is less common here than in Southeast Asia, but dried seafood flavoring is not rare.
Egg is easier to avoid and dairy is largely absent from traditional Sichuan cooking, which helps travelers whose restrictions involve milk. Dessert items are the exception worth checking.
| Allergen | Where It Commonly Appears | Practical Risk |
|---|---|---|
| Peanut | Chili oil, sauces, garnishes, cold dishes | High and hard to see |
| Soy | Soy sauce, bean paste, tofu | High and foundational |
| Wheat gluten | Soy sauce, named gluten dishes | High |
| Shellfish | Dried shrimp powder, seafood broths | Moderate, unexpected |
| Egg | Noodles, batters, some dumplings | Low to moderate |
| Dairy | Desserts, some bakery items | Low in traditional cooking |
Show, do not say. Pronunciation fails, and tone-deaf attempts at Chinese allergy terms risk being understood as preference rather than medical requirement.
Keep it to one clear sentence per line: I cannot eat X. If I eat it I will become very ill and need a hospital. Please use clean utensils and no shared oil. Have the card written by someone competent in Chinese rather than machine-translated alone, and carry it on paper, since phones run out of battery and kitchens are bright and busy.
In Chinese dining culture, “I don’t eat prawns” reads as a preference, which a busy kitchen may reasonably ignore. “This will send me to hospital” reads differently and is worth the blunt phrasing. Do not soften it for politeness.
Show it when ordering, and again when the food arrives if you have any doubt. Ask whoever takes the order to confirm with the kitchen specifically, rather than assuming they will.
A restaurant that makes fifteen dishes can accommodate an omission. A restaurant offering two hundred cannot reliably check shared woks, pre-mixed sauces and central stocks. Favor places where your request reaches the person cooking.
You choose raw ingredients and cook them yourself, which gives real control over what enters your food. Select a plain broth rather than a pre-seasoned one, since the spicy base arrives already containing chili oil and seasonings.
Cross-contact at busy stalls is unavoidable: shared tongs, shared oil, shared boards. Where your restriction is severe rather than preferential, sit-down places with a kitchen are the safer choice.
Fish-fragrant, spicy-and-numbing, and similar named preparations indicate a compound sauce made in advance, whose contents the server usually does not know by heart. These concentrate every problematic ingredient.
Cold salads and dressed preparations frequently include peanut, sesame, soy and dried seafood seasoning. They are also assembled ahead of time, so modification is often physically impossible by the time you ask.
Assume it contains more than chili. It is made in batches and used across dozens of dishes, and asking for it to be made fresh without peanut is not realistic at most restaurants.
Oil is reused across items. Anything fried cannot be guaranteed free of contact with prior ingredients, which matters for severe fish and shellfish allergies in particular.
Bring adrenaline auto-injectors from home rather than relying on local purchase. Know the Chinese name for your condition and carry it written down alongside your allergy card.
Chengdu has large public hospitals with emergency departments. Have your hotel write the nearest one’s name in Chinese on your card, and know that emergency numbers differ from those you use at home.
Worth having for any traveler, and essential for severe allergies. Confirm it covers emergency treatment and evacuation.
Sometimes not initially. Written cards stating that the food will require hospitalization are much more effective than spoken requests.
No. Dried seafood seasoning appears in vegetable dishes, and shared oil is common. Ask about broths and seasoning rather than assuming.
They are extremely common, especially in chili oil and garnishes. Assume exposure risk rather than assuming a dish is peanut-free.
No. Chengdu rewards careful diners: simple steamed dishes, rice, fruit and self-cooked hotpot ingredients make eating both possible and pleasant.
With a severe allergy, mostly yes. With a mild intolerance, exercise judgment and prefer stalls where you can see the food being made to order.
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