Cardiovascular diseases: hypertension, hyperlipidemia, atherosclerosis, cerebral thrombosis, cerebral embolism, coronary heart disease.
Nervous system diseases: neurasthenia, insomnia, nervous headache, gastrointestinal neurosis, trigeminal neuralgia, epilepsy.
Skin diseases: herpes zoster, neurodermatitis, skin itching, eczema, contact dermatitis, burns, and various wound healing.
Endocrine system diseases: menopausal syndrome, premenstrual tension, hypogonadism, hypothyroidism.
Metabolic, blood and urinary system diseases: diabetes, cataract, hypoxia and its sequelae (carbon monoxide poisoning), leukopenia, thrombocytopenia, iron deficiency anemia, prostatitis and prostatic hypertrophy.
According to recent experiments at home and abroad, air negative ions can inhibit the growth of transplanted tumors.