The reason why you can’t drink black tea in summer is because the traditional saying goes “drink green tea in spring, green tea in summer, green tea in autumn, black tea in winter”. Therefore, you can drink black tea in moderation in summer, and generally will not cause significant harm to your health. Summer because of the heat, the body will sweat a lot, the body of minerals and trace elements, such as sodium, potassium, magnesium, etc., will be discharged with sweat, easy to make people feel tired. And black tea contains tea polyphenols, caffeine and a variety of trace elements, at this time the right amount of black tea can achieve the effect of quenching thirst, refreshment, fatigue, the body has certain benefits. However, it should be noted that summer drinking black tea do not drink too much, and need to avoid drinking strong tea, especially patients suffering from cardiovascular and endocrine chronic diseases, such as hypertension, coronary atherosclerosis, anemia, hyperthyroidism, etc., excessive drinking black tea may lead to accelerated heart rhythm, dizziness, insomnia and other discomfort symptoms, thereby aggravating the condition. In addition, summer tea is recommended to drink now, due to the hot weather, high temperatures, placed too long, tea is more likely to breed bacteria and other harmful substances in a relatively short period of time, drinking may lead to gastrointestinal discomfort and other situations. Drinking tea also need to pay attention not to drink too hot tea, so as not to burn the oral mucosa, and avoid drinking tea before bedtime, so as not to affect the quality of sleep.