According to the regulations of Singapore Customs, the drugs brought into Singapore by passengers must be drugs permitted by Singapore laws, especially sleeping pills, sedatives and other drugs, which need to be prescribed by doctors and proved to be essential drugs for passengers.
It is generally forbidden to bring all kinds of fresh goods into Singapore, especially meat. Others such as fresh fruits and vegetables, plants, seeds, animals, honey, moon cakes, salted duck eggs and zongzi are all prohibited. Chewing gum, smokeless hookahs and electronic cigarettes are also prohibited from being brought into the country.
Extended data:
Items that need to be declared. Passengers who bring tobacco (cigarettes and cigars), alcohol, gasoline, artificial jewelry, cars/motorcycles and other commodities into Singapore by air, land or sea must declare and pay customs duties. Violators will commit crimes and face high fines and even imprisonment.
Regulations on duty-free commodities. Visitors are not required to pay tax on personal belongings and food (such as candy and biscuits) with a value of not more than S $50 (250 yuan RMB). Those who have reached the age of 18 and are not Malaysian nationals are not required to pay tax on carrying 1 liter of various kinds of wine. Duty-free goods are for personal consumption only, and resale or gift is prohibited.
According to Singapore's regulations, you need to "have enough funds for your stay in Singapore" when you enter the country. You still need to bring some cash when you travel to Xinmatai. For example, the new regulations of the Immigration Bureau of Thailand.
Foreigners who want to enter the country must bring not less than 20,000 baht or equivalent foreign currency (equivalent to RMB 3,820 or US$ 620) in cash. If immigration officials find that they don't have enough cash, they will be refused entry. We are also going to Singapore and Malaysia.
References:
People's Daily Online-China people should not bring anything when they leave the country-Singapore.