First, spray control. In the larval stage, 90% trichlorfon can be used 1000 times, or 25% carbaryl 500 ~ 1000 times, or 50% killing pine 500 times spray. Generally from the beginning of the hazard of tobacco insects, 1 dose of medicine is applied every 10-15 days. Second, artificial capture. During the harm period of H. assulta, they were captured on a cloudy day or in the morning, and they worked well. Third, trapping adults. Use poison baits to trap or kill with insecticidal lamps.