The village government is an element of government administration in charge of administration and serving the needs of the community. The village government has the duty and responsibility to take care of the community in order to create a prosperous society. Based on Law Number 6 of 2014 concerning Villages, it is stated that the village government is obliged to provide and improve services to the community and in carrying out its duties, the village government is obliged to carry out good government administration and implement the principles of transparent village governance. Among the government roles that must be carried out by the village government include service, regulation, guidance, coordination, management and development. One of the main tasks that must be carried out by the village government is to serve the administrative needs of the community such as the management of KK, KTP, Birth Certificates, Marriage Certificates, Domicile Certificates, Letters of Incapacity, Transfer Certificates, Birth Certificates, Police Introduction Certificates and others. etc.
 This study aims to determine the administrative functions of the village government in Saureinu Village, South Sipora District, Mentawai Islands Regency and to find out what are the administrative obstacles to the Saureinu village government, South Sipora District, Mentawai Islands Regency. The method used in this research is a descriptive qualitative method. This research analyzes phenomena through words instead of numbers.
 The results of the study indicate that the village government has carried out its duties and responsibilities well in serving the people who take care of population administration. Although there are obstacles in administrative services in the form of facilities or technology in Saureinu village, South Sipora sub-district, so the process is not so fast in the management. This study concludes that the village government in its administrative function has been running well and the village government has tried to serve the community by helping to take care of the needs of population administration and so on. The village government has done its best in the village administration function and the village government also provides information and directs the community to fulfill the administrative management requirements.