Plastic track and field venues, in addition to normal use, have to do maintenance work in time to extend the service life. Maintenance work has the following points: 1. Regular cleaning: Cleaning is usually done once a week, such as around the sand pit, around the shot area, and some mud and sand that have fallen onto the plastic due to use, as well as leaves and debris on the site, should be promptly cleaned. 2. Regular cleaning: Cleaning with tap water spray, you can also use a small high-pressure water gun to clean the entire plastic surface. Especially before and after the competition, it should be cleaned to keep the site colorful. In the hot summer, spraying with water can also reduce the temperature of the plastic surface. 3. Before the winter arrives, before the average temperature falls below 5°C and the minimum temperature reaches 0°C, turn off the gate of the water supply system for the entire water supply and drain the water return gate. In the spring of each year, the mud in the drainage system should be cleaned to prevent the drainage system from plugging up, so that the water can be discharged smoothly during the flood season. 4. In April each year, around the plastic track and field venues, such as sand pits, shot puts, etc., around the throwing area to see whether the phenomenon of Alice, broken edges, etc., found that one should be repaired in a timely manner to prevent expansion. 5. Always check the plastic surface for signs of degumming. If there are degumming particles, it should be promptly repaired, the best repair period in the spring and summer. 6. It is advisable to re-spray once every spring or autumn in order to keep the competition mark accurately.