The use of summer sunlight to treat diseases can improve the body’s ability to resist diseases. Nowadays, more and more people are talking about winter diseases and summer treatment, which mainly refers to the targeted treatment in summer for some diseases that tend to occur or worsen in winter, so as to improve the body’s ability to resist diseases and make these diseases reduce or disappear in winter. This is a concrete application of the holistic view of Chinese medicine and the disease prevention concept of “prevention before illness”. Asthma, cough, bronchitis, etc. can be treated in winter and summer. Now is a good time to treat winter diseases in summer, and the common treatments for winter diseases include acupuncture point application, acupuncture, and internal medicine. This treatment mainly benefits the qi and warms the yang, disperses the cold and clears the ligaments by treating the body medically or non-pharmacologically during the summer time when the natural yang energy is at its peak. Using herbal acupuncture point application, drug application can make local blood vessels dilate, promote blood circulation and improve nutrition of surrounding tissues, which can enhance the body’s ability to resist disease and evil on the one hand, and help dispel yin and cold on the other, thus achieving the purpose of treating or preventing diseases that tend to occur or worsen in winter. If suffering from respiratory diseases, rheumatic immune diseases, digestive system diseases, ENT diseases, pediatric gynecological diseases, symptoms including asthma, cough, bronchitis, weakness of the body prone to colds, weakness of the spleen and stomach, chronic dermatology, gynecological diseases, arthritis and people belonging to the Yang deficiency type of physique, winter diseases can be treated in summer. Although watermelon is a good product to reduce summer heat, but eat more but will get fire watermelon is cold, taste sweet, to the heart, stomach, bladder meridian, has the effect of clearing heat and quenching summer heat, thirst, diuretic, lowering blood pressure and so on. For summer heatstroke, thirst, dry throat, cracked lips and cystitis, liver ascites, nephritis patients have a certain effect, belong to the good summer heat. Watermelon belongs to the cool fruit, but eat more or on fire, its mainly because watermelon sweet, sweet food has a diuretic effect, when eating watermelon urine too much, it will hurt people’s fluid, producing a kind of Yin deficiency fire symptoms, such as dry throat, nose bleeding, etc.. It is not advisable to eat too much watermelon in summer, especially for people suffering from diabetes, spleen and stomach deficiency cold, wetness, and sugar should be avoided.