To solve the problem of dinner at the music festival, you can refer to the following suggestions:

1. Prepare in advance: know in advance whether there is catering service at the music festival, and choose foods that are easy to carry and store, such as dried fruits, biscuits, fruits and bread, for emergencies.

2. On-site purchase: If the music festival provides catering service, you can buy food on site. Depending on the scale and venue of the festival, there may be different dining options, such as hot dogs, hamburgers, snacks and various drinks.

3. Book in advance: If the music festival is large in scale, there may be take-away service or booking catering service in advance. You can book some simple dinners or takeaways in advance before going to the music festival so that you can enjoy them during the festival.

4. arrange time reasonably: if you need to wait for a long time, you can arrange time reasonably and do other activities during the waiting period, such as chatting, playing games or listening to music.

In a word, to solve the dinner problem at the music festival requires preparation in advance, on-site purchase, reservation in advance and reasonable arrangement of time. At the same time, it is necessary to choose a suitable solution according to the actual situation of the music festival.