1, Biology: Psychology is a branch of biology that studies physiological and psychological processes in living organisms. So biology is the basis of learning psychology. By studying biology, we can understand the basic structure and function of human body and provide basic biological knowledge for learning psychology.

2. Chemistry: Psychology is also closely related to chemistry, especially in the field of neuroscience. Chemistry can help you understand the mechanism of neurotransmitters in the brain and the influence of drugs on psychological processes. In addition, chemistry can also help you understand the relationship between other biochemical processes and psychological processes in the human body.

3. Physics: The application of physics in psychology is mainly concentrated in the field of brain science. By studying physics, we can understand the basic principles such as electromagnetic wave and signal transmission between neurons, which provides a theoretical basis for further study of psychology.

4. Mathematics: Mathematics is widely used in psychology, especially statistics and probability theory. By studying mathematics, we can master the basic methods of data analysis and provide data support for the study of psychology. In addition, mathematics can also help you develop logical thinking and abstract thinking ability, which is very important for understanding the concepts and theories of psychology.

Matters needing attention in learning psychology include keeping an open mind, paying attention to ethical norms, learning scientific methods and paying attention to practice.

1. Keep an open mind: Learning psychology requires us to keep an open mind and accept new ideas and theories. We need to understand that psychology is a developing discipline, and new research results may change our views on some issues.

2. Pay attention to ethical norms: When conducting psychological experiments or research, we need to abide by ethical norms. This includes protecting the rights and interests of subjects, ensuring the credibility and effectiveness of the experiment, and correctly interpreting the research results.

3. Learning scientific methods: Psychology is a science, so we need to learn scientific methods. This includes how to design experiments, how to collect and analyze data, and how to interpret research results.

4. Pay attention to practice: While theoretical knowledge is important, practical experience is equally important. We can gain practical experience by participating in internships, volunteering or participating in activities related to psychology.