The focus of health care in summer should be on heatstroke prevention and moisture prevention. Generally speaking, we should adjust our study habits and mood appropriately according to the characteristics of the intersection of Yin and Yang, vigorous growth of all things and vigorous metabolism in summer. Follow the principles of invigorating spleen and eliminating dampness, clearing heat and relieving summer heat, and nourishing lung, kidney and viscera. Summer is the hottest season in a year, and it is also the time when the yang is the strongest and the yin is the weakest. The yang increases and the yin disappears to the peak. It is also a season with long sunshine, strong intensity, long days and short nights and abundant rain, and it is the most prosperous season for all things in nature.