As a waiter, he/she needs to have the following safety awareness:

1. Fire safety awareness: The waiter needs to know the hazards of fire and preventive measures, such as keeping the kitchen dry and clean and using open flames correctly.

2. food safety awareness: waiters need to know the relevant laws and standards of food safety, such as keeping food fresh, storing it reasonably, cooking hygiene, etc.

3. emergency response awareness: waiters need to know emergency measures to deal with emergencies, such as fire, natural disasters, sudden illness of guests, etc.

4. Personal safety awareness: Attendants need to know how to protect themselves and customers' personal safety, such as preventing theft and customers from racing.

5. Hygiene and cleanliness awareness: waiters need to understand the importance of hygiene and cleanliness, such as keeping restaurants clean, disinfecting and disposing of garbage.

6. Safety awareness of electrical appliances: Attendants need to know the safety of electrical appliances, such as proper use, maintenance and overhaul of electrical appliances.

7. awareness of safe driving: waiters need to have awareness of safe driving, such as observing traffic rules and driving safety.

in short, waiters need to have a comprehensive safety awareness, so as to ensure the safety and health of themselves and customers.