Not afraid of heat in summer, in Chinese medicine point of view is Yang deficiency physique, this physique belongs to the fear of cold, not afraid of heat physique, if there is Yang deficiency, in winter will feel afraid of cold and cold, because the weight of Yang is less, so the summer will not be afraid of heat, summer will also not be easy to sweat, there will be a lack of Qi and blood, poor sleep, poor energy, low energy, hair loss, easy to cold sweat, this situation is also recommended to seek immediate medical attention. General daily life eating habits irregularities lead to related, first, eat too much cold food, especially in the summer heat and humidity, eating cold drinks and chilled food too much triggered and caused by. Second, in the winter do not pay attention to the cold to keep warm, a long time will also become Yang deficiency body. In short, the kidneys will appear when the Yang is consumed a lot of summer is not afraid of heat, but this situation is not normal, it is recommended to go to the hospital for detailed examination.