The invention discloses an electronic circuit board that is easy to disassemble, comprising a circuit board body, first clamping blocks are fixedly connected to both sides of the circuit board body, and a second clamping slot is opened on the top of the first clamping block. Both sides of the circuit board body are provided with fixed blocks, and the side of the fixed block close to the circuit board body is provided with a first slot for use with the first block, and the top of the inner cavity of the fixed block is provided with a The placement slot is provided with a second chute on the left side of the inner wall of the placement slot. In the present invention, the first clamping block, the second clamping slot, the fixed block, the first clamping slot, the placement slot, the second chute, the collar, the second clamping block, the second sliding block, the pull rod, the cantilever beam, the first The chute, the first slider, the moving column, the button and the spring cooperate with each other to achieve the effect of easy disassembly, which saves time and effort for the maintainer when disassembling the electronic circuit board, improves the practicability of the electronic circuit board, and is suitable for Promotional use.