The method of searching songs on Kugou Music on Xiaotiantian Watch is as follows:

1. Make sure that Xiaotiantian Watch is connected to the network. Open the Kugou Music app on your watch.

2. Find the search box in the application and a magnifying glass icon will be displayed. Click the search box and use the watch's input method (such as the touch screen or knob) to enter the song name or keyword you want to search for.

3. Kugou Music will display relevant song results based on the search content. By browsing the list of results, you can select the song you want to play.