"The grass grows in February and the willows are drunk with spring smoke. When children come back from school early, they fly kites by the east wind. " (Village Residence) A kite is a kite, and the spring when the sun rises is the best time to fly a kite. People pull ropes and put kites into the clear sky. Flying kites soar, just like light butterflies and lively birds, sometimes swaying, and sometimes going straight to the blue sky for entertainment and fitness, which has a unique flavor. To sum up, flying kites has three advantages: "getting rid of diseases and strengthening the body, strengthening the brain and improving intelligence, and nourishing the mood."

First, get rid of illness and strengthen the body. In winter, when people stay indoors for a long time, their qi and blood stagnate and their internal heat rises, which easily leads to the imbalance of human thermal balance and some diseases. When everything is revived in the spring, flying kites in the suburbs, climbing high and looking far, the weather is clear, the vegetation is beautiful, breathing fresh air, basking in the sun and stretching the bones and muscles can promote the cell metabolism of the human body, improve the blood circulation, eliminate the accumulated heat in the body, and play the role of getting rid of diseases and strengthening the body.

The fitness and medical effects of flying kites have long been valued by people. In Song Dynasty, Sok Li said in "Continued Natural History" that flying a kite "can vent your anger by opening your mouth". Fu Cha Dunchong in Qing Dynasty said in Yanjing Year: "Flying kites in the air is the best way to see clearly." Indeed, when flying a kite, you can see the kite flying with the wind and swaying in the blue sky and white clouds, which can adjust your eyesight, eliminate eye muscle fatigue and prevent myopia. With the progress of science and technology and people's understanding that flying kites can strengthen the body, foreign countries such as "kite sanatorium" also came into being. Medical experts believe that "kite therapy" is effective for neurasthenia, decreased vision and other diseases.

Second, brain-strengthening and puzzle-flying kites is also a brain-strengthening exercise. Dealing with the relationship between flying kites and wind direction and speed will make kite-flying people think hard. Modern people flying kites have developed to the stage of superb skills, high and low changes and sound and light blending, and there are more places to think. For example, flying a character kite must be "crawling" to be realistic and interesting; Flying centipedes and dragon kites will be interesting only if they change in a winding way. Flying dragonflies, goldfish kites, eyes to move, only vivid; "A Hundred Birds Toward the Phoenix" can make a harmonious and pleasant cry, which is touching. Flying a kite can move the whole body with one stroke, and the coordination of hands and brains, good movements, relaxation and alternation are of great benefit to strengthening the brain and improving intelligence.

Third, the air in rural areas is fresh, and the negative ion content is much higher than that in cities and indoors. Flying kites in the countryside and breathing fresh air during exercise will also make people refreshed and relaxed. What troubles and disappointments are brought into the clouds with kites and dissipated in the clear sky of Wan Li, which makes people feel happy and adjust.

Sunny spring is also a good time to fly kites. You might as well seize this favorable opportunity to go outdoors and fly kites under the blue sky.

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