Pan was born in Guanzhuang, Ninghai County, Zhejiang Province, and graduated from Zhejiang First Normal School. He followed Wu Changshuo to study Chinese traditional painting. He built the foundation of Chinese traditional painting education.
In 1903, his mother died. In summer, he was enrolled in private school in the village. Beside taking classes, he liked calligraphy, and also enjoyed imitating illustrations on novels such as "Romance of the Three Kingdoms"(三国演义) and "Water Margin"(水浒传).
In Spring 1910, he entered Zhengxue Primary School in town, and received western school education. After class, he was interested in calligraphy, painting and stamp carving. He brought "Jieziyuan Painting Album" (芥子园画谱) and several albums of models of calligraphy. Those were enlightening materials for him to self-study Chinese painting and calligraphy, and he thus was determined to devote his whole life to Chinese painting.
In 1918, he was on 4th grade at school, and drew "Luquats"(枇杷图) for fellow students.
In 1919, he drew "Chinese Bulbul on Wisteria" (紫藤白头翁) and other paintings for fellow students. In that year, he participated in "May 4th" patriotic students gathering in Hangzhou. Around 1919 to 1920, he met Liu Haisu for first time in Jingjia Hill, Hangzhou.
In Spring 1920, he participated in advanced students uprising at Zhejiang First Normal School. In Summer, he graduated and went back to Ninghai to teach at Zhengxue Primary School. In leisure time, he dedicatedly studies painting, calligraphy, poems and stamp carving. He drew "Desolate Crow in Sparse Forest" (疏林寒鸦) and "Forlorn Bell Rings among Mountains at Night"(晚山疏钟) for Zhao Pingfu, or Rou Shi (柔石).
In 1921, he habitually imitated ancient folk calligraphy and paintings, and studies painting theory. He drew "Bright Moon above Wisteria" (紫藤明月), "Mynah in Snow" (雪景八哥) and etc.
In Spring 1922, he moved to teach at the primary school in Xiaofeng County (now Anji County), Zhejiang. Together with Shen Suizhen(沈遂贞), he held an exhibition in Yizi Pavilion, Xiaofeng County. There were finger-ink painting among his works. He drew "Lonely Crow on Aged Tree" (古木寒鸦), "Pristine Water in Breeze" (长风白水), "Jigong Monk and Elephant" (济公与象), "Bald Monk" (秃头僧), and etc.
In Spring 1923, he became a teacher at Republic of China female workers school in Shanghai. In that Summer, he was also appointed as a lecturer in painting practice and theory classes in department of Chinese painting at Shanghai Academy of Fine Arts. He got to know Wu Changshuo, Wang Yiting, Huang Binhong, Wu Fuzhi, and Zhu Qizhan. His style approached Wu Changshuo, evolving from unrestrained to profound. He drew "Flowers Wet with Dew in Autumn" (秋华湿露). He changed his name to "Tianshou" (天寿).
In 1924, he became a professor at Shanghai Academy of Fine Arts, started writing the book "The History of Chinese Painting". He was actively engaged in a variety of exhibitions, studying preserved ancient paintings and meeting with noted painters. He specialized in liberal-style flowers and birds painting, and also excelled in landscape painting. He drew "The Beggar" (行乞图), "Horse Fastened on Poplar" (垂杨系马), and "Fox Servant at New Year Eve" (狸奴守岁).
In January 1925, he completed "History of Chinese Painting" in Shanghai, and wrote preface of the book in Hangzhou in February. On June 20, He co-sponsored an advertisement on "Sheng Newspaper" with Liu Haisu, Zhu Wenyun and other professors, and held a charity sale exhibition for workers and citizens deceased in May 30th Riot. He drew "Mountains at Dawn" (晴峦晓色), "Soothing Spring Breeze" (春风淡荡), "Aged Plum Blossoms" (古梅), and etc.
In July 1926, his "History of Chinese Painting" was published by Commercial Press. In Winter, together with Yu Jifan and Pan Boying, he co-founded Shanghai Xinhua School of Fine Arts.
In Spring 1927, Xinhua School enrolled first-year class, and Pan became the chief professor in Education Department.