Whether a doctor with double degrees is worth studying depends on one's academic pursuit and career planning. It is necessary for those who want to make achievements in academia to study for a double doctorate.

First of all, a doctor's degree is the highest degree recognized by academic circles, which represents a person's academic level and research ability in a certain field. Studying for double non-doctoral degrees can make people know more about the professional knowledge in this field and master more advanced research methods and technologies, thus improving their academic level and research ability. This is very important for people who want to develop in academia.

Secondly, studying for double non-PhDs can cultivate a person's independent thinking ability and innovative consciousness. Obtaining a doctorate requires strict academic training and thesis defense, not only a certain degree of professionalism, but also the ability to think independently and innovate. This ability is also very important for personal career development.

In addition, studying for double non-doctoral degrees can also lay a solid foundation for personal career development. Doctoral degree holders are more competitive in some professional fields, such as university teachers and researchers. At the same time, doctoral degree is also a necessary condition for many senior positions, and studying for double non-doctoral degrees can provide strong support for personal career promotion.

Of course, studying for a double non-doctor also needs a certain price. Getting a doctorate requires a lot of time and energy, in-depth academic research and practical exploration. For those who want to pursue rapid promotion in their careers, studying for a double non-doctoral degree may be a heavy burden.

To sum up, whether it is necessary to study for a double-non-doctoral degree depends on the individual's specific situation. It is very necessary for people who want to make achievements in academia to study for double non-doctoral degrees. For those who want to pursue a rapid career promotion, studying for a double non-doctorate may not be a necessary choice.