A cat’s shortness of breath in summer may be caused by overheating, just after exercise, or heat stroke. You need to observe whether the cat has any abnormalities. If the cat has vomiting, poor energy, difficulty breathing, elevated body temperature, etc., it may be If a cat suffers from heat stroke, it is necessary to help the cat to relieve the heat immediately; if it is due to overheating or just after exercise, the cat can generally relieve the heat on its own.