1, this product in cruciferous vegetables on the safe interval of 7 days, a maximum of 3 times per season crop. 2, this product can not be mixed with alkaline pesticides and other substances. 3. This product is highly toxic to fish, crustacean aquatic organisms (such as shrimp and crabs), bees and silkworms. During the application period, it should avoid the impact on the surrounding bee colonies, avoid the blooming period of nectar crops, stay away from the honeycomb and silkworm house, ban the application in and around mulberry gardens, stay away from aquaculture areas, do not pollute the water source when using, and do not clean the application equipment in rivers and other water bodies. 4, pregnant and lactating women to avoid contact with drugs. 5. Pay attention to safety protection measures when applying the product. Wear protective equipment, protective mask, protective gloves and clean protective clothing when using the product. Avoid contact with skin and eyes, avoid inhaling the liquid through mouth and nose, do not eat or drink during application, and wash hands and face immediately after application. 6. Please read the label carefully before use, operate according to the product instructions or consult the local plant protection technology department, and bury the packaging deeply after use. 7, in order to delay the emergence of resistance, it is recommended to rotate the use of pesticides with different mechanisms of action.