The bridge pier formwork is mainly composed of steel formwork, reinforced back ridges and stayed bolts. The overall rigidity is large, the concrete appearance quality is good, and the installation and disassembly are convenient. Has the following characteristics: 1. Simple structure and fast installation. 2. Good adaptability and interchangeability. 3. High strength and durability, with good durability. 4. Large carrying capacity, good carrying capacity.