First of all, I understand your feeling that you need help because of anxiety. The Department of Psychology of Tsinghua University is a professional institution, and they can provide some effective suggestions and help. Based on the information you provided, here are some guesses about the help you might get:

1. Understanding and support: You may get some understanding and support by contacting the psychology department of Tsinghua University by telephone. They may listen to your troubles and give you some emotional support and advice, which can help you relieve your anxiety.

2. Advice and suggestions: They may provide some advice and suggestions to help you understand the causes of anxiety and how to deal with it. They may suggest some skills or strategies to deal with anxiety, such as deep breathing, meditation and relaxation exercises.

3. Assessments and suggestions: They may make some assessments to understand the severity of your anxiety symptoms and give some personalized suggestions. This may include further evaluation and suggestions, such as psychological counseling or treatment.

4. Resources and networks: The Department of Psychology of Tsinghua University may also provide some resources and networks, such as recommending suitable psychological counselors or therapists, or providing some useful resources, such as books and online courses, to help you better cope with anxiety symptoms.

It should be noted that specific help and resources may vary according to individual circumstances. In addition, telephone consultation is only a preliminary step. If you need more in-depth help and treatment, they may suggest that you make an appointment for an interview or consultation.

I hope this information can help you. Please feel free to let me know if you have any other questions or need further help.