What does it mean to eat porridge in time?

Drink porridge according to the solar terms.

"Eating timely porridge" means choosing suitable porridge according to different solar terms, so as to conform to the laws of nature and enhance the body's immunity. For example, beginning of spring should eat porridge such as peanuts and medlar. Long summer should eat porridge such as mung bean and lily. Beginning of autumn should eat porridge such as tremella and glutinous rice. Beginning of winter should eat mutton, red dates and other porridge. This diet aims to make the human body better adapt to the natural environment and keep healthy.