1. The safe interval for using this product on kale is 7 days, and it is applied up to 3 times per season. 2, when using away from the water source, it is prohibited to clean the application equipment in rivers and other water bodies. 3, pregnant and breastfeeding women to avoid contact with drugs. 4. 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. 5. 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. 6, in order to delay the emergence of resistance, it is recommended to rotate the use of pesticides with different mechanisms of action.