The reasons why cats have a bald patch on their heads:

1. When a cat is injured or burned by high temperature, the wound will become scarred and the hair will fall out. Generally, the hair on the top of the head will fall out after the scar disappears. grow again.

2. When the cat's head is infected with fungi, bacteria, parasites, or cat moss, it will cause hair loss and baldness on the top of its head. At this time, it is recommended to take the cat's hair for microscopic examination, and then use antibacterial drugs or deworming Treat with medication.

3. Cats are allergic to food and may also develop symptoms of regional baldness. At this time, the cat owner needs to consider that the owner should find the allergen and not feed the allergic food.

4. Cats may also feel anxious due to psychological reasons, and may also experience regional hair loss symptoms, such as during pregnancy and estrus.