Cable fixing clamp

The utility model discloses a cable fixing clamp which comprises a clamp seat base body, a base body fixing hole is arranged on the clamp seat base body, two sides of the clamp seat base body are provided with cable clamping arms which are matched with each other, and a cable clamping space used for containing a cable is formed between the two cable clamping arms and the clamp seat base body. The outer ends of the two cable clamping arms are contracted inwards to form a clamping arm opening between the two end portions, the clamping arm opening is correspondingly provided with an opening blocking elastic piece capable of being opened or closed, and the opening blocking elastic piece is connected to the cable clamping arms through an elastic piece opening and closing device. When the device is used for cable installation, only a cable needs to be pressed into the device, the opening blocking elastic piece automatically bounces and closes, it is guaranteed that the cable cannot be disengaged, the operation mode