一、前言1953年在郑州发现一座商代遗址,那时被认为是商中期的大型城址。那时还是个学生的我也如饥似渴地阅读了刊行于1957年的许顺湛《灿烂的郑州商代文化》。在缺乏相关信息的当时的日本,也有梅原末治、关野雄等学者就此提出看法,认为它应该是晚于安阳殷墟期的退化形式。到了1959年,偃师二里头遗址的调查也开始了,随着 I. Preface In 1953, a Shang Dynasty site was discovered in Zhengzhou, which was considered to be a large-scale city site in mid-Shang period. At that time, I was also a student hungrily reading the brilliant “Shun Shang Shang Dynasty Culture” published in 1957. At the time of the lack of relevant information in Japan, there are Mei Yuji rule, Guan Yuxiong and other scholars put forward the view that it should be later than Anyang Yin Depression period of degradation. By 1959, the investigation of Erlitou Site in Yanshi began