The quality problem of agricultural machinery maintenance is not only related to the technical status and resource conservation of agricultural machinery, but also related to the immediate interests of maintenance parties, and more related to personal safety. The light and small sprinkler is suitable for irrigating hilly areas in the mountains and plain small plots, and is suitable for all kinds of crops and soil. It is a water-saving irrigation equipment with good development prospects. Pay attention to the following points when maintaining the maintenance of light and small sprinklers: After the sprinkler irrigation operation is completed, the sprinkler, water pump and nozzle should be scrubbed. The lubrication parts should be lubricated on time. In winter, the water in the pump and the pipe should be drained to prevent frost cracking. Maintenance of the machine and pump should be carried out according to the instructions. When the unit is stopped for a long time, the water in the pump body must be drained. Disassemble the water pump and nozzle, wipe off the water stains, assemble the oil and pack it in a dry place. If damaged parts should be repaired or replaced in time. The water in the pipeline should be emptied, and the rust-proof layer should be repaired. The moving hose should be rinsed and fully dried. The plastic tube should be protected from exposure and stored in a ventilated, dry warehouse.