Until now, Taiwan's mercantile transport industry has not kept pace with trade because shipping companies prefer to register flag-of-convenience vessels rather than use carriers flying the Chinese flag.
戰爭期間，國家得徵召商船從事物資運輸，商船亦有義務接受徵召。因此商船噸位不足，也等於無形中削弱了我國的軍事潛力。本國船運公司擁有商船亦多，只是成了「權宜籍船」