There are the following types: 1. The five-element attribute of Jun is fire. According to the principle that fire overcomes metal and fire overcomes water, it is taboo to use words that belong to metal and water in the name of Jun.
2. It is taboo to name a character with the same rhyme as ùn or a character with the same rhyme as "ùn" or the same rhyme as ùn. This will sound awkward to read and has no sense of rhythm.
3. It is taboo to use the same character as the character "Jun" in the name of the ancestor. If the ancestor's name contains the character "Jun", it is taboo for the younger generation to use the character "Jun" in their name.
4. Taboos in naming with handsome characters, overly complex strokes, or even names with combinations of uncommon characters are not conducive to calling and interpersonal communication.
5. When using the word "Jun" in a girl's name, it is taboo to use words that are too complimentary and strong, such as "Hao", "Qiang", "Meng", "Chuang", "Gang", etc., which is not conducive to highlighting the femininity.