Customs officers at Ho Chi Minh City's Tan Son Nhat International Airport seized a Vietnamese passenger on Sunday in possession of more than 2,000 ecstasy pills, Tuoi Tre (Youth) newspaper reported.
The Vietnamese national known as V.M.D., 26, who currently lives in Canada, had just flown from Hong Kong to HCMC.
Customs officers found the passenger "suspicious" and checked D.'s luggage.
They found 2,065 pills of MDMA an empathogenic drug in the phenethylamine and amphetamine classes of drugs, popularly known as ecstasy hidden cleverly in D.'s suitcases.
The passenger and the drugs were handed over to local narcotics police.
Under Vietnamese laws, those convicted of smuggling more than 600 grams of heroin or more than 2.5 kilograms of methamphetamine may face the death penalty.
The production or sale of 100 grams of heroin or 300 grams of other illegal narcotics is also punishable by death.