1, the phenomenon is common-a survey in 2004 showed that there are probably ordinary families who choose to give their children to their grandparents for raising.
2. Insufficient research-there are not many related papers, and only dozens of core journals with the theme of "intergenerational education" have been retrieved through cnki.
3. Contradictory views-opinions are divided, the value is good, the way should be, and so on.
4. Problem exposure-Some new trends and problems have emerged, such as left-behind children.
A review paper is attached for your reference (but there is no foreign situation in this review)