Don’t chew gum in Singapore: chewing, buying or selling gum is prohibited in Singapore.

Don’t  throw garbage on the streets: violators will be fined

Smoking is prohibited in public places: Smoking is prohibited in most indoor and open spaces such as bus stations and corridors.

Don’t use any type of drug: Singapore's laws stipulate severe punishments up to death penalty for traffickers or drug users.

Not to speak or joke in political or religious issues.

Never Touch someone’s head Because it is considered an insult, where the head is a sacred part of the human body.

Don’t give tips to anyone: tipping is not a common habit in Singapore.

Do not violate traffic laws and regulations, even if seemed simple, such as crossing the street without using a pedestrian crossing or bridges.

We would like to advise citizens planning to travel to the Republic of Singapore to exercise caution and ensure they do not carry items containing tobacco, as specified below:

• Cigarettes
• Electronic cigarettes
• Chewing tobacco (such as Fox and others)

We would also like to advise them to visit the Immigration and Checkpoints Authority (ICA) website before traveling to the Republic of Singapore to review all prohibited items:
https://www.ica.gov.sg/enter-transit-depart/entering-singapore/what-you-can-bring/prohibited-controlled-dutiable-goods