Solutions for excessive cat shedding:
1. When cats consume too much salt, it puts a strain on their kidneys, which can lead to excessive hair loss. You should avoid feeding your cat foods containing salt.
2. Using human shampoo to bathe your cat will also cause excessive shedding. You need to use special pet shampoo products to bathe it. 
3. Feeding cats a monotonous diet can lead to nutritional deficiencies and excessive shedding. Cats need a varied diet to ensure they get enough nutrition.
4. If a cat is depressed due to a bad mood, it will also shed a lot of fur, affecting its endocrine system. The owner needs to spend more time with it, take it out for walks more often, and help it relax.
5. If a cat is infected with ringworm, it will also cause hair loss, and it needs to be treated with antifungal medication in time.