Short breathing in kittens may be caused by stress, fear, excitement, strenuous exercise, pneumonia, foreign bodies in the respiratory tract, hypoxia, heart disease, etc. If it is caused by external reasons, the kitten will generally recover on its own after a while. , just stop stimulating the kitten; if the cat frequently suffers from shortness of breath, it is best to go to the pet hospital for examination to avoid delaying the condition.