2. Health preservation originally refers to a medical activity in which Taoism supports life, strengthens physique and prevents diseases through various methods, so as to prolong life. Raise, that is, the meaning of nursed back to health, maintenance and tonic; Life means living, surviving and growing. In the modern sense, "health preservation" refers to the active physical and mental maintenance activities for material and spirit according to the laws of human life process.

3. Some illegal websites have similar words. Therefore, Silk Foot Healthy xtkb should refer to clubs with unhealthy behaviors.