A pendent lamp structure includes a lamp housing, a top cap mounted on the top of the lamp housing, a threaded rod passing through the bottom of the lamp housing, a connecting bracket secured on the top end of the threaded rod, a bulb base secured on the connecting bracket, a plurality of bulbs mounted on the bulb base, a hanging rod having a bottom end passing through the connecting racket, a fixed head secured on the top end of the hanging rod and passing through the top cap, and a hanging ring secured on the fixed head and protruding outward from the top cap.