1956年苏共二十大以后,中苏关系日趋紧张。1960年莫斯科会议召开,中苏双方作出了一定程度的妥协而发表了《莫斯科声明》,中苏关系也因此在表面上稍有缓和。1961年,苏联驻华大使契尔沃年科适时提出到中国部分省份自费旅行的要求,中方为了表示珍视中苏友谊也不便拒绝。此次活动,苏联使馆工作人员是通过“一看二问三 Since the 20th anniversary of the CPPCC in 1956, the Sino-Soviet relations have become increasingly tense. The 1960 Moscow Conference was held. Both China and the Soviet Union made a certain degree of compromise and issued the Moscow Statement. As a result, Sino-Soviet relations have been somewhat mitigated. In 1961, the Soviet ambassador to China, Chervonenko, promptly put forward requests for travel to some provinces in China at their own expense. The Chinese side refuses to say that they cherish the friendship between China and the Soviet Union. This event, the Soviet embassy staff is through ”a look two and ask three