Analysis of illness: Rational use of tonic drugs is also one of the effective measures to preserve health and prolong life. The elderly should first have a correct understanding of tonic drugs, and never pin their hopes of health and longevity on tonic drugs. If the elderly have a good appetite and are healthier, they don't need to take tonics. If you are in poor health, you can use some tonics. The reason for using it is: make up for it; If it is missing, it should be supplemented; If it is not lacking, it should not be supplemented. Guidance: Most commonly used tonics are Chinese herbal medicines that can benefit qi and kidney, such as ginseng, astragalus, angelica, poria cocos and ganoderma lucidum. The processed ganoderma lucidum spore powder also has miraculous effects. Modern pharmacology has proved that they can improve immune function, regulate endocrine metabolism and enhance cell vitality, so they can resist aging and prolong life. But these tonic drugs should be used according to the doctor's advice.