What are the Buddhist scriptures about health preservation?

Very good, very good! Amitabha! From a widely discussed point of view, all Buddhist scriptures can make people healthier and happier; As long as you can copy any Buddhist scripture and return it to them, they will get a third blessing. Specifically, there are the merits of pharmacists, the merits of Tibetan medicine, the sutra of infinite life, the sutra of Sangha, the sutra of Diamond, the sutra of chanting beads in Qing Dynasty and so on. As long as you can sincerely copy Buddhist scriptures and recite them frequently, and tell more people the contents of the scriptures, your merits and blessings will be more. I wish you and your family all the best, learn good knowledge early, learn more good knowledge early, develop bodhicitta early, do more good deeds, make more good relationships, and eliminate all karma and disasters! I wish you all the best, good luck, health, happiness, freedom, academic success, family success, career success, prosperity and perfection, and finally achieve a positive result!