The answer to 'why is my termite trails' is that termite trails, also known as mud tubes, are a sign of an active termite infestation in your home. Termites build these mud tubes as they travel from their nest to food sources, like the wood in your home's structure. The trails allow termites to move safely between their nest and the wood they are eating, protecting them from predators and drying out.
Seeing termite trails is a clear indication that you have a termite problem that needs to be addressed. Termites can cause significant structural damage to your home over time if left untreated, so it's important to take action as soon as you notice the trails.