Winter solstice on the 22nd. Health experts reminded that in terms of health care, winter solstice is a good time for health care, but the public should pay attention to "three more and three less" in diet health care, that is, more protein, vitamins and cellulose; Eat less sugar, fat and salt. Zhang Dongsheng, a health expert, said that the solstice in winter is a good time for health preservation, mainly because "Qi starts from the solstice in winter". Therefore, at this time, festivals should use health-preserving methods scientifically and make appropriate adjustments. Because from beginning of winter, life activities began to turn from prosperity to decline, from dynamic to static. At this time, scientific health preservation helps to ensure vigorous energy and prevent premature aging, thus achieving the purpose of prolonging life. Health experts suggest that during the winter solstice, the diet should be diversified, with grains, fruits, meat and vegetables reasonably matched, and foods with high calcium should be appropriately selected. The food should be light, and you can't eat thick, greasy and salty food. In winter, the yang is weak, and the spleen likes warm and hates cold. It is advisable to eat warm and tonic products to protect the spleen and kidney. ...