Introduce two simple mental health exercises refreshing brain fitness exercises with too much brain people, easy brain oxygen deficiency, resulting in dullness, especially in the afternoon, more seemingly mental, attention can not focus. At this time can do fitness exercises to refresh. Action one: use both hands gently temples. Action two: hands behind the head, while inhaling, while slowly bending forward; then exhale, while slowly tilting the head back. Action 3: Place your hands behind your head and do up and down rubbing and pressing movements. Action 4: Hold both hands together, cross each other, use the right thumb on top and the left thumb on the bottom, alternating. Action five: finger root cross, clench your fingers for 3 to 5 seconds, relax in the cross, repeat several times. The efficacy of refreshing gymnastics: can activate brain function, improve attention and thinking ability.