Saowanee Peungpong, 29, was arrested while she walked alone down Soi Kamnum, in Rassada, carrying 606 ya ba (methamphetamine) pills and 100.29 grams of ya ice (crystal methamphetamine).
She placed them near a fire hose on the street for a buyer, and police caught her in the act.
Saowanee was arrested and police took her to her house, where they found her boyfriend Sompon Sunthornkij, 42. They also arrested him after finding an additional 1,411 ya ba pills inside the house.
Pol Col Sermpan Sirikong said they will continue questioning the couple as police suspect they are part of a wider network of drug dealers in the area.