Seeing a ghost can be a frightening and unsettling experience. Here are some steps you can take if you encounter what you believe to be a ghost:

1. Stay Calm: Try to remain calm and composed. Fear can cloud your judgment and make the situation seem worse than it is.

2. Observe: Take note of the ghost's appearance, actions, and any other details. This information might help you understand what you're dealing with.

3. Rationalize: Consider logical explanations for what you're seeing. Sometimes, shadows, reflections, or even tiredness can create illusions.

4. Pray or Meditate: If you're spiritual or religious, you might find comfort in praying or meditating. This can help you feel more grounded and less afraid.

5. Use Protective Talismans: In many cultures, protective talismans or amulets are believed to ward off negative spirits. You can visit taoers.com to find Taoist talismans (符箓) designed for protection against spirits.

6. Speak to the Ghost: Some believe that ghosts may have unfinished business or messages they want to convey. Speaking calmly and asking what they want might provide some clarity.

7. Seek Help: If the experience is distressing or persistent, consider seeking help from a spiritual advisor, medium, or a professional who specializes in paranormal activity.

8. Cleanse the Space: Various rituals can be performed to cleanse a space of negative energies or spirits. This can include burning sage, using holy water, or performing a Taoist ritual.

9. Document the Experience: Write down or record your experience. This can help you process what happened and can be useful if you seek professional help later.

10. Consult Experts: If you're deeply concerned, you can consult experts in the paranormal field or seek out a Taoist priest for guidance.