1. Community activity center: Many communities have activity centers that provide places for various entertainment and social activities. Middle-aged and elderly comrades can participate in dancing, singing, chess and cards and other activities here to make new friends.

2. Parks: There are many beautiful parks in Chengdu, such as Jinli and Kuanzhai Lane, which are good places for middle-aged and elderly people to relax. Comrades can walk, chat and take part in fitness activities in the park.

3. Cafe: There are many cafes in Chengdu, with comfortable environment and delicious coffee. Comrades can have a cup of coffee, read books and chat with friends here.

4. Gyms: There are many gyms in Chengdu, offering various fitness facilities and courses. Comrades can exercise here, strengthen their physique and make like-minded friends at the same time.

5. Nursing homes: There are some nursing homes in Chengdu that provide services for middle-aged and elderly people. These nursing homes provide all-round services such as accommodation, food and medical care. Comrades can choose to live in a nursing home, live with other old people and enjoy their old age.

In short, there are many choices for middle-aged and elderly comrades in Chengdu. You can choose a suitable place according to your personal preferences and needs. No matter in community centers, parks, cafes or gyms, you can find like-minded friends and spend a good time together.