Then the Japanese colonial administration in Taiwan began its cultural assimilation movement (1919-1937), placing tight controls on temple fairs and performances by traditional theater groups. These led to a steady decline in demand for drums.
其後，日本政府在台推動「同化運動」（1919－1937），管制廟會活動與戲班演出，導致皮鼓生意日漸萎縮。