The lost crab is a special dish in Sichuan. The main raw materials are crabs and various seasonings. Many restaurants in Shanghai have lost crabs. Here are some restaurants with good reputation:

1. Shu Daxia: Shu Daxia is a Sichuan hotpot restaurant that also provides lost crabs. Their lost crabs are rich in flavor and delicious in meat, which are deeply loved by diners.

2. Chuanmeizi: Chuanmeizi is a special restaurant in Sichuan, serving all kinds of Sichuan dishes, including the lost crabs. Their lost crabs are famous for their tender meat and rich spices.

3. Spicy House: Spicy House is a Sichuan hot pot restaurant that also provides lost crabs. The lost crab in their family has a unique taste, and it is delicious with a variety of spices and peppers.

4. Chengdu Snacks: Chengdu Snacks is a restaurant that provides Sichuan snacks and also provides lost crabs. Their wandering crabs have a light taste and are suitable for diners with a light taste.

To sum up, many restaurants in Shanghai have lost crabs. You can choose a restaurant that suits you according to your taste and budget.