The present invention provides a circuit board comprising a body, a first conductive line and a buckling assembly. The body has a first end and a second end, and the first conductive line is disposed at the first end of the body to connect with two opposite sides of the first end. The abovementioned buckling assembly is disposed on and electrically connected with the first conductive line. Furthermore, the buckling assembly can be moved along the first conductive line and rotated by using the first conductive line as an axis.本發明係提供一種電路板,其至少包含一本體、一第一導電線以及一卡合組件。其中,本體具有一第一端與一第二端,而第一導電線設置於本體之第一端以連接第一端之相對兩側邊。上述卡合組件則係設置於第一導電線上並與其電性連接,且可沿第一導電線移動並以第一導電線為一軸心轉動。1‧‧‧電路板11‧‧‧本體12a‧‧‧第一導電線12b‧‧‧第二導電線13‧‧‧卡合組件