1) Use this product on cucumber for a safe interval of 3 days, and apply it up to 3 times per season. 2) Do not pollute the water source when used, and do not clean the application equipment in rivers and other water bodies. 3) This product can not be mixed with alkaline pesticides and other substances. 4) Pregnant and lactating women should avoid exposure to chemicals. 5) Pay attention to safety precautions when applying this product. Wear protective equipment, protective mask, protective gloves and clean protective clothing when using this 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. Used containers should be properly disposed of, not used for other purposes, and not discarded at will. 7) It is recommended that fungicides with different mechanisms of action be used in rotation to delay resistance.