Covering is one of the most important principles and necessities of the Islamic religion, which in our society, in addition to the Sharia and Islamic aspect, is considered part of the legal and mandatory laws for the members of the society. Covering is one of the cultural norms in today's society. The enemy's soft war is against the Islamic Republic of Iran, which has been influenced by Western cultural plans in our country for years. Sharia clothing for men and women has specific and clear rules and regulations, but the color, shape of clothes, appearance (fashion) is the responsibility of customs. In our country, although veiling and hijab are part of Sharia law, today we are facing the challenge of not wearing hijab, which is considered a crime, but there is no law for it. The collection of materials is based on library studies, internet sites and electronic books and articles. In this article, we examine the role of customs in determining the coverage and defects of its customary requirements.