0. Install the Google Chrome extension 'ChatGPT Plugin Store Searchable', or use the Tampermonkey script with the same name.
1. Open ChatGPT, select the GPT-4 model, and choose the Plugins mode.
2. Click the dropdown arrow to open the installed plugins list, scroll down to the bottom and click on 'Plugin Store'.
3. Open the ChatGPT Plugin Store, enter 'The Diet Search', click on search, and find 'The Diet Search' in the plugin list.
4. Click the 'Install' button to install 'The Diet Search'.
5. Click the dropdown arrow to open the installed plugins list, find 'The Diet Search', and choose it to enable.
6. The image below shows the interface display effect after a certain plugin has been enabled.
7. Enter 'How to use this plugin?' in the chat input box.
Use the 'The Diet Search' plugin according to the usage instructions returned by ChatGPT.