In the troubled times of the Republic of China, Lingnan was in trouble. He Jialin, the eldest son of the "Huichun Tang", a family of medicinal herbs in Guangzhou, returned from studying medicine in Nanyang. He shouldered the important responsibilities of the family and was caught up in the era of warlords' melee and the Anti-Japanese War. After the fall of Guangzhou, the refuge in Chaozhou, and the exile in Hong Kong, I took the fragrance of Lingnan medicine as a guide and the troubled times as a volume.
