Dizziness is what happens when it is hot, as follows: 1, when the weather is hot human metabolism will also be affected, often moody, depressed, depressed, at this time, if the previous night’s rest is not enough, sweating, excessive water loss, it is easy to lead to restlessness, boredom, thus triggering dizziness; this is psychological or weather-induced physiological changes caused by dizziness, this situation is more common; 2, pay attention to the hot weather when the patient’s blood pressure will fluctuate, and dizziness and even headache will also occur when blood pressure is high; 3. Other causes, which require specific analysis of specific problems. If this happens, you can promptly seek medical analysis of your condition.