When applying medicine to a cat, first put an Elizabethan collar on the cat to prevent scratching, and carefully check the location, size and number of ringworm spots. Then use a razor to shave off the hair on the ringworm spots. Remember to spray the razor with antiseptic spray before treatment. If there are few ringworm spots, you can use clotrimazole ointment + spray to sterilize and remove the ringworm spots. During this period, you can give the cat some lecithin to improve skin itching and help the cat recover healthily.