Since the early 1970s, the China government began to vigorously promote family planning. Since 1978, family planning has become a basic national policy in China. /10 2007 On June 28th, 2007, the revised Energy Conservation Law defined resource conservation as a basic national policy. Family planning is no longer the basic national policy of China. Article 25 of the Constitution stipulates: "China implements family planning to adapt population growth to the economic and social development plan." Article 49 of the Constitution stipulates: "Both husband and wife have the obligation to carry out family planning." The Marriage Law also stipulates that both husband and wife have the obligation to carry out family planning. Birth policy: A couple should have one child. Under any of the following special circumstances, both husband and wife shall apply at the same time, and with the approval of the family planning administrative department at the county level (including county-level cities and districts, the same below), they may have another child according to the population plan and interval arrangement:

(a) by the city (excluding county-level cities) above the disabled children's medical appraisal organization identification, the only child suffering from non-hereditary disability can not grow into a normal labor force;

(two) remarried couples, one party has given birth to a child, and the other party has not given birth; Or before remarriage, both parties gave birth to a child, and at the time of divorce, the subsequent spouse of the child has been determined according to law or the divorce agreement, and the newly formed family has no children;

(three) more than five years after marriage, the medical and health institutions at or above the county level identified infertility, and adopted a child in accordance with the law after pregnancy;

(4) The only son marries the only daughter;

(five) one of the spouses has worked in an underground mine or deep sea for more than five years and is still engaged in this work;

(6) Both husband and wife belong to the agricultural population, and the first child is a girl.