Summer is hot, when the three volts, most of the patients with hot and humid evidence is common, but recently there are outpatient clinical patients with excessive Yin cold, and there is a trend of increase, carefully analyzed, summer patients suffering from Yin cold evidence is also very common, should cause medical practitioners and patients’ attention. Nowadays, in summer, the weather is hot, the temperature is getting higher and higher, in order to avoid the summer heat, most people stay in the air-conditioned room most of the time, long time air circulation and lower temperatures, coupled with the hot season, people crave for cold, eat cold drinks and cold food, this artificial cold state, will make the body feel uncomfortable, on the one hand, in and out of the room and the outside world is too big a difference in temperature, the body will be many not to adapt to and fall ill, on the other hand, the body will not be able to adapt to and fall ill. On the one hand, in and out, the temperature difference between the room and the outside world is too big, the body will have a lot of discomfort, on the other hand, the body will be sick because of excessive cold, because people in the summer will be relatively not pay attention to the cold, little clothing, and even at night do not cover the clothes, the yin and cold will enter the human body, which will show a lot of evidence of yin and cold. Clinical manifestations can be the following: 1, wind-cold cold: In the past, we believe that summer cold, mostly wind-heat, and clinically we can often see the hot sun, and the patient a cold signs, cold, fever, light, clear snot, coughing white phlegm viscous, not easy to cluck out. 2, stomach cold spleen deficiency: the patient will feel the stomach and epigastric cold, dull pain in the stomach, the feeling of not thinking about eating, eating cold fruits can be aggravated, taking ordinary stomach medicine is ineffective. 3, women’s uterine cold: delayed or low menstruation, dysmenorrhea, cold abdomen, thin leukorrhea, or odor, lumbar pain and leg sleepiness, less breath and lazy speech, fatigue and weakness. 4, cold and damp paralysis: neck, shoulder and back, or waist and leg muscles and joints pain, like warm and afraid of cold, some patients with paralysis symptoms worsened, or previous winter onset of frequent episodes in the summer. For these cases, attention should be paid, first of all, do not be too greedy for cold, do not continue to stay in the air-conditioned environment, appropriate out of the room around, or intermittently turn off the air-conditioning, open the windows and doors to increase air circulation; Secondly, the diet should not be too cold, do not eat too much cold food; women during menstruation, we must be appropriate to keep warm at night in the abdominal cover, do not sit on the floor, do not sleep on the floor, and even more not to eat too much cold drinks. Eat too much cold drinks. Once this kind of situation occurs, we should consult a doctor in a timely manner, the doctor in the encounter of patients with excessive yin and cold, careful identification, the use of medication to take into account the possible factors to intervene, the prescription of drugs, can consider the appropriate addition of the warmth to help the yang, the nature of the flavor of the drugs on the side of the warmth, for such patients, often can achieve better results.