Recently, the temperature has been suitable, and rat fleas, cat fleas and dog fleas have become a big hazard in our city. Many patients suffer from them, being flea bites feet, calves, front chest, back, neck, the whole body is red rash, itchy, and even pus into blisters. Once investigated abandoned cats with fleas are the most serious, followed by domestic cats, domestic dogs body fleas are also more serious. You can use a manual sprayer, with 2. 5% Jafei SC (high efficiency cyfluthrin) 1: 50 times stagnant spraying, spraying focus on cat litter, dog litter, ground, corners, stool feet, sofa feet and the surface of objects in the house, and domestic cats, domestic dogs are applied 2. 5% Jafei dilution wash to remove fleas.? Do a good job in environmental sanitation, strengthen the extermination of rats, try to eliminate the source of flea infection, properly dispose of dead rats after extermination, and carry out simultaneous extermination of rats and fleas in places with serious rodent infestation. 2.5% of Fyfe suspension has an acute oral toxicity LD50 of 5,000 mg/kg and a percutaneous toxicity LD50 of 2,000 mg/kg for rats, which is safe for humans and pets and does not pollute the environment, and is a very low toxicity pesticide with good flea control effect.