A liquid soap dispenser including a stationary base and a main body with a cover. A fastener is on the bottom of the stationary base, a concave is on top of the stationary base, a blocking board is on top of the concave, a holding hole with an opening on top is located on the concave; the main body is in box shape with a "T" shape pillar on the back, a slot is on the bottom of the back of the main body; an inner brim is on the top of the main body to fit the inner cover, a protruding rib is on the back of the cover, a blocking brim surrounds the cover, a lock hole is located on the front of the blocking brim, and a lock is inside the lock hole to lock the cover and the stationary base.
