Postherpetic pain manifests itself in a variety of ways, and can manifest itself as having pins and needles, a burning sensation or electric shock-like pain, or it may manifest itself as numbness and hypersensitivity. Herpes zoster is a disease caused by a viral infection of the sensory nerves, characterized by the appearance of pimples, blisters, and severe pain along the skin where the infected nerves are located, or only pain without herpes. Postherpetic neuralgia is one of the most common complications of herpes zoster, which occurs when nerve pain persists after herpes zoster skin damage has healed. The manifestations are more varied, such as cutting, stinging, burning, etc. Nociceptive hypersensitivity, i.e., any slight stimulation of the skin can cause severe pain, can also occur. In addition, some patients may experience itching and numbness, and when the virus invades the motor nerves, it can cause corresponding muscle weakness and paralysis. Patients with postherpetic neuralgia are advised to seek medical attention as soon as possible to alleviate their painful symptoms.