The discovery of pottery is a great creation of mankind. In Đông Sơn Culture, the development of bronze casting technique reached its peak and people started to practise the technique of forging iron. In this period, pottery products, which were made in various shapes with different styles, showed the successive progress of pottery drawn from previous times.

    The colours of pottery in the period of Đông Sơn Culture changed through its stages. In the early stage of Đông Sơn, pottery had pinkish colour. This is the colour of pottery made in the phase of Quỳ Chử, which had influence on pottery in Đông Sơn Culture. Besides this type, some vessels had chocolate colour. In Đông Sơn typical stage, pottery was covered with a layer of ocher, which brought them bright red. The application of ocher over the products before burning them in kilns is an important feature of Đông Sơn pottery. In the late stage of Đông Sơn, pottery was deep brown or black-grey. The mentioned colours became characteristics of pottery in three scientific stages: pre-Đông Sơn, developed Đông Sơn, and late Đông Sơn.

    The material used to make pottery bone was basically sandy clay. However, Đông Sơn potters added quite a lot of sand and other organic impurities to create a mixture that helped avoiding deformation when firing. It was this mixture that created black colour of Đông Sơn pottery bone.

    Đông Sơn potters applied different techniques to decorate pottery: drawing lines, brushing, imprinting, smashing, pressing, and joining. In the area of Mã River, the common decorative pattern on Đông Sơn pottery was the imprint of rope. It appeared on 50% of the total amount of found decorated artifacts. Brushing pattern made up a small proportion and virtually only appear on the shoulders of containers.

    In the basin of Mã River and , quantity as well as types of excavated pottery were particularly rich. A quite large number of artifacts remained intact. Apart from the common artifacts such as vessels, jars, pots, steamers, bowls, plumbs, leads used for fishing nets, printing blocks etc., there were some other types of artifacts such as duck-shaped artifacts, wine gourd-shaped bottles, and flat-bottomed pots. These are specific localized products, which were only found in Đông Sơn pottery in the area of Mã River and by far had not been seen in any other sites except Thanh Hóa.