Different types of currents have different main physiological effects on the human body. The commonly used types of electrical energy include direct current, alternating current, and static electricity. The electrical therapy methods used in clinical practice include: direct current electrical therapy (including electric water bath therapy, direct current iontophoresis therapy), low-frequency pulse electrical therapy (including induction electrical therapy, electric excitation therapy, electric sleep therapy, ultra strong electromagnetic response therapy, transdermal electromagnetic response therapy, intermittent electrical therapy, etc.), medium frequency electrical therapy (including equal amplitude medium frequency sine electrical therapy, modulated medium frequency sine electrical therapy, interference electrical therapy, etc.), high-frequency electrical therapy (including long wave electrical therapy, medium wave electrical therapy, short wave electrical therapy, ultra short wave electrical therapy, microwave electrical therapy, and millimeter wave electrical therapy), and electrostatic therapy.

1. Direct current therapy: a stable current in the direct current direction that can alter ion dispersion and adjust bodily functions. It is commonly used for drug ion introduction;

2. Low and medium frequency electrotherapy: Low and medium frequency currents affect neuromuscular shortening, reduce pain threshold, alleviate adhesions, and are commonly used for neuromuscular diseases such as injuries and inflammation;

3. High frequency electrotherapy: High frequency electricity promotes circulation, reduces inflammation and edema, affects tissue regeneration, and relieves pain through its thermal and thermal effects on the human body. It is commonly used to treat injury and inflammatory pain syndrome, and high-power high-frequency electricity can be used for warming and cancer treatment;

4. Electrostatic therapy: Its main function is to regulate the central nervous system and plant function, commonly used for neurosis, prehypertension, and menopausal syndrome.

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