Normal and moderate sexual life can coordinate various physiological functions in the body, promote hormone secretion, ensure psychological and physiological needs, and be beneficial to health. Middle-aged people's physique is in a stage of gradual weakness. In daily life, especially in winter, we should control our sexual life to ensure our health.

Moderate physical exercise for middle-aged people outdoors is beneficial to kidney health care. Kidney controls bone to produce marrow, and bone has the function of supporting and protecting human body and is responsible for body movement.