Li Huiru is a calligrapher with a stage name of Mulinsen. Born in 1957, graduated from Hebei Institute of Chemical Technology with the qualification of economist. In the process of learning, I came into contact with Yan Liu, Erwang, Han Li, Wei Bei and other different styles of calligraphy. He studied under famous calligraphers such as Liu Bingsen and Fan Ceng. His works have participated in many national, provincial and municipal calligraphy competitions and won prizes.