A foldable open-resistant container, comprising: a first box body comprising a first body portion and an extension portion, wherein the extension portion is extending from an end corner of the first body portion, the extension portion comprises a holding member, a first latching member, and a perforation line, the holding member is extending from the first body portion, and the perforation line connects the holding member and the first latching member; and a second box body comprising a second body portion, a bending member, and a second latching member, wherein the bending member comprises a bending area extending from an end corner of the second body portion, the second latching member is on the bending member, wherein when the first box body is combined with the second box body, the bending member is bent along the bending area, and the first latching member is fitted into the second latching member to position the first box body with the second box body; when the first box body is separated from the second box body, the perforation line is broken so that the first latching member is separated from the holding member and fixed to the second latching member, characterized in that: the second latching member comprises an inner fastening member and an outer fastening member, the inner fastening member and the outer fastening member are located on two sides of the bending area, and the inner fastening member is located on the side of the bending member close to the second box body, the outer fastening member is located on the side of the bending member far from the second box body; when the bending member is bent along the bending area, the outer fastening member latches the first latching member, and the first latching member is received in the inner fastening member, so that there are the outer fastening member, the first latching member and the inner fastening member in sequence. a first box body comprising a first body portion and an extension portion, wherein the extension portion is extending from an end corner of the first body portion, the extension portion comprises a holding member, a first latching member, and a perforation line, the holding member is extending from the first body portion, and the perforation line connects the holding member and the first latching member; and a second box body comprising a second body portion, a bending member, and a second latching member, wherein the bending member comprises a bending area extending from an end corner of the second body portion, the second latching member is on the bending member, wherein when the first box body is combined with the second box body, the bending member is bent along the bending area, and the first latching member is fitted into the second latching member to position the first box body with the second box body; when the first box body is separated from the second box body, the perforation line is broken so that the first latching member is separated from the holding member and fixed to the second latching member, characterized in that: the second latching member comprises an inner fastening member and an outer fastening member, the inner fastening member and the outer fastening member are located on two sides of the bending area, and the inner fastening member is located on the side of the bending member close to the second box body, the outer fastening member is located on the side of the bending member far from the second box body; when the bending member is bent along the bending area, the outer fastening member latches the first latching member, and the first latching member is received in the inner fastening member, so that there are the outer fastening member, the first latching member and the inner fastening member in sequence.