Let's first understand some of the marriage relationships related to the Rat zodiac sign, and then we can get a rough answer to what you need.
Compatible with Rat: Dragon, Monkey, Ox - very auspicious

Heart to heart, happy and prosperous, everything is easy to succeed, and enjoy happiness forever. Other zodiac signs are secondary.
Incompatible with Rat: Horse, Rabbit, Goat

Cannot become rich, disasters come together, many evils, even separation from family, and no peace.
If a person born in the Year of the Rat meets someone born in the Year of the Dragon, the Year of the Monkey, or the Year of the Ox, and they get married, it is a perfect match made in heaven! Today, we are asking whether two people who are both born in the Year of the Rat are compatible in marriage. According to the relevant zodiac marriage information, the best choice for two people born in the Year of the Rat is to be together. They will surely create a sweet love. They can truly experience the feeling of soft and gentle affection. They will certainly have a romantic love that is admirable.

Everyone, regardless of their zodiac sign, definitely has their own strengths and weaknesses. In life, if they choose to be together in marriage, they naturally need to learn to accept each other's shortcomings and choose each other's strengths as the premise of life. Only in this way can this marriage life be long-lasting and brew happiness.
Strengths: Strong perception, quick response, strong environmental adaptability and adaptability. Intelligent, full of ideas, understanding and considerate. Always has a cheerful attitude. Talented in many areas. Women especially like cleanliness, and they organize household chores neatly. Clever and obedient, with flexible and cheerful character. Personality is more active and changeable, and has a strong desire for profit. Full of imagination, knows how to seize opportunities, is cheerful and lively, and is popular. People born in the Year of the Rat are sensitive, versatile, and good at multi-faceted business. Curious about everything and wants to quickly get involved, and can handle them skillfully.
Weaknesses: Lacking courage, not enough determination in doing things, lacking appropriate leadership ability, not suitable for being the leader of a commercial institution or other group, and lacking authority. Has a stubborn nature and a tendency to act on one's own judgment. Has a habit of seeking profits recklessly. Has a habit of staying up late because rats are nocturnal animals. Naturally kind-hearted but sometimes impolite in attitude. Has a selfish mindset or an arrogant personality. Good at taking advantage, likes to pick on others, and has a narrow-minded mind. People born in the Year of the Rat may rely too much on their sense and fail to think deeply about other factors when dealing with matters, which may lead to thinking they can make money but actually lose money in business. Therefore, when doing anything, it is necessary to seek others' opinions and not be stubborn about your own senses.