Causes of hard knots on cats’ feet:

1. Thickened horniness: It may be a callus formed by thickening of the cat’s horniness. It does not need to be removed as long as it does not affect the cat’s walking.

2. Fungal infection: Fungal infection in cats will form scabs on the skin. It is recommended to use saline to clean the scabs on the affected area, disinfect with hydrogen peroxide, and then apply antifungal drugs for treatment.

3. Mosquito bites: Mosquito bites into the pads or crevices of the cat's feet will cause redness and swelling and form pimples. It is recommended to drive away mosquitoes in the environment, or place the cat in a place with few mosquitoes, and then apply an appropriate amount Antipruritic ointment will do.

4. Trauma: It may be induration caused by trauma, so the owner needs to disinfect the cat in time.

5. Tumor: Tumors on cats’ skin will turn into pimples. It is recommended to go to the hospital for examination to determine whether it is benign or malignant, and to carry out corresponding treatment.

6. Skin diseases: If the cat’s paws not only have scabs, but also have hair loss, dandruff, itching and other symptoms, it may be infected with a skin disease. It is recommended to take the cat to a pet hospital for medical treatment in time.