For the treatment of bovine foot-and-mouth disease: I. The first thing to do is to strengthen the care of sick cattle. For example, the pen should be clean, dry, ventilated and airy, supplied with soft feed and clean water, and the pen should be disinfected frequently. While strengthening the care, different treatments should be given according to the different parts of the disease; ii. Oral treatment. Use 0.1-2% potassium permanganate solution, 0.2% formalin, 2%-3.0% alum or 2%-3% acetic acid or vinegar to wash the mouth, and then apply 10%-20% iodoglycerin or 1%-3% copper sulfate to the ulcerated surface, which can play an obvious effect; Third, hoof treatment, use 3% Lysol, 1% formalin or 3%-5% copper sulfate Soak the hoof with 3% Lysol, 1% formalin or 3%-5% copper sulfate solution; Fourth, udder treatment, milking should be routinely disinfected, washed with warm water, and then coated with penicillin cream or sulfonamide ointment.