Summer qi nourishes the heart and also nourishes growth. People should go to bed later, get up earlier, don't get tired of the scorching sun, don't get angry because of the hot weather, relax your mind, your anger will be vented, and your skin will begin to understand and keep up with the spirit of the summer sun. This is the' Zhang No.3' that was raised to adapt to the summer, which made it grow to the extreme.