The inland camphor industry which had been sluggish until then became very active thanks to the steep rise of price of camphor due to the Taiwanese camphor monopolization, and came to compete on the market with the Taiwanese monopolized camphor, so it became necessary to regulate the Monopoly Law both for inland and for Taiwan.
が、これまでふるわなかった内地製脳業は台湾樟脳専売による樟脳市価の急騰の影響を受け、活況を呈し、台湾の専売樟脳と市場で競争するようになり、内地台湾共通の専売法の制定の必要が生じた。