If your cat’s hair is dull and dull, you can give the cat some fish oil, nutritional paste, vitamins, etc. to enhance the cat’s nutrition. Or some meat or egg yolk can make the hair more shiny. It is best to change the staple food to cat food with a balanced meat and vegetable diet. Let the cat bask in the sun more, use pet-specific shower gel to bathe the cat, blow dry and comb it in time to help the cat's hair become softer.