Basalt fiber trench cover plate uses cement as the main raw material, basalt fiber composite bars and fiber geogrid as reinforcing materials, and is made by adding basalt fiber chopped strands, stones, sand and additives. It is a protective plate used to cover underground facilities such as drainage ditches and inspection wells. Its main functions include preventing debris from entering, protecting the safety of pedestrians/vehicles, improving drainage efficiency, and at the same time having characteristics such as load-bearing and anti-slip.