After investigation, there is no idiom "() keeping in good health", but there is an idiom that contains the word "keeping in good health".

1, rest and recuperation

Explanation:

Rest: where to maintain; Interest: population reproduction. Refers to reducing people's burden, stabilizing people's lives and restoring people's vitality after war or social unrest.

Source: Tang Hanyu's "Pinghuai Xibei": "Emperor Zhong Rui, rest in peace."

2. Health care and death

Interpretation: Children's support and funeral for their parents. With "life and death". Mourn, mourn.

3. Health and death

Interpretation: Children's support and funeral for their parents.

Source: Mencius Li Lou: "Health preservation is not enough to achieve great things, but death can achieve great things."

4. Health and death

Interpretation: Children's support and funeral for their parents. With "life and death".

5, the way of keeping in good health

Explanation: refers to the method of self-cultivation for the purpose of health care and longevity.

Source: "Zhuangzi Health Master": "Smell my words and get health." Cheng Tang Xuan Yingshu: "I have realized the way of keeping in good health."