A foreign worker is a person who works in a country other than that of which he or she is a citizen (Wikipedia). Migrant workers can pursue employment within their own state or between states, depending on the definition applied. Some foreign workers are temporarily and legally present through a guest worker program in a country with preferential job prospects compared to their home country. Some turned out to be illegal immigrants. Foreign workers live temporarily in the country where they work and will often send most or all of the wages they earn back to their country of origin. Workers can be classified into high-skilled workers or low-skilled workers and unskilled workers. Foreign workers can also be classified into legal workers and illegal workers. However, these foreign workers can also bring some positive inputs beyond the negative effects to our country. In Canada, foreign citizens are accepted into Canada on a temporary basis for a variety of reasons, including student visas, refugee claims, or special permits. The largest group, however, is called the Temporary Foreign Worker Program, under which workers are brought to Canada by their employers for specific jobs. In 2006 there were a total of 265,000 foreign workers in Canada. Among those of working age, there was a growth of 118% compared to 1996. By 2008, the hiring of non-permanent immigrants had caught up with the entry of permanent immigrants. Current estimates of the total number of international foreign workers stand at approximately 25 million, with a corresponding number of dependents accompanying them. In the United States there are about 14 million foreign workers, most of whom come from Mexico, including 4 or 5 million... in the middle of the paper... which gives the impact on the change of the country's culture. local company. The effect on the variation of culture and language is due to the fact that these foreign workers have formed a social organization and culture of their own. It could also have an impact on local society, especially for teenagers and children. It may not be good for the growth of children and adolescents with such a negative environment. They may be involved in criminal activities. In addition to this, with such negative assimilation and acculturation of culture, socio-cultural problems such as large HIV infection among the country's population will increase. This will affect medical costs, public healthcare and financial aspects of the public sector. In conclusion, we ensure that the hiring of foreign workers brings significant improvements, an improvement, but also positive and negative consequences for life in the cultural society of the country..