What do you mean by three meals and four things a day?

This sentence means ordinary and specific things to do every day.

According to today's headline query, three meals and four things a day mean: the most common and specific things to do in people's daily life. Such as breakfast, lunch, dinner and sleep. Yes, for these daily lives, for healthy and happy growth, and for improving our happiness index, we will continue to study hard, overcome many difficulties and make ourselves better and better.

The slogan of "three meals and four things a day" advocates that everyone should develop a reasonable diet, regular living habits and live a healthy day, including going to bed early and getting up early, washing hands frequently, exercising more and living a regular life.