There are three ways to keep fit for three or nine days in winter. The first is to warm the kidney and strengthen the spleen, mainly to recuperate the spleen and kidney. Warming the kidney will strengthen the metabolic capacity of the body, and strengthening the spleen will strengthen the biochemical function of qi and blood.

The second is that nuts can be healthy. Nuts have the functions of tonifying kidney, strengthening brain and strengthening heart. Winter corresponds to the kidney, and eating more can enhance physical fitness.

The third is nourishing cream, which has three major effects of conditioning, nourishing and treating, and can be eaten all year round.