The reasons why cats keep sneezing are as follows:

1. Cats may catch a cold due to weather changes, failure to dry themselves in time after bathing, etc., resulting in sneezing, runny nose and other symptoms. It is recommended to take measures to keep the cat warm to avoid catching cold after bathing, and to use cold medicine appropriately for treatment.

2. The cat may be infected with the herpes virus, which can cause symptoms such as sneezing and keratitis. This situation requires examination and diagnosis before symptomatic treatment, which may require the use of antiviral drugs.