Halloween is the common name of All Saints’ Day, which is originally a religious festival of Catholic and other Christian religions and is celebrated on November 1st. The Catholic Church designates All Saints' Day as a mass day. On this day, unless there are irresistible reasons, all believers must go to the church to attend mass to remember all the saints who have passed away and ascended to heaven, especially those in Catholic history. Famous saint. Following All Saints’ Day is All Souls’ Day on November 2. This day commemorates the souls that have passed away but have not yet ascended to heaven, and believers will pray for their early ascension to heaven.

Halloween, on October 31st every year, is a traditional Western festival. Many people in Asia mistakenly refer to All Hallows' Eve as Halloween.

Halloween Eve originated from the ancient Celtic New Year festival. It was also a time to worship the souls of the dead. While avoiding the interference of evil spirits, it also used food to worship ancestors and good spirits. Praying for a safe passage through the harsh winter. The night before (Halloween), children dress up in costumes and masks and go door to door collecting candy.