The present invention relates to a bath fumigating drug liquid prepared by adopting Hmong medicinal plants as raw materials. The bath fumigating drug liquid comprises, by weight, 2.5-5.0 parts of sargenrgloryvine, 1.0-2.0 parts of tatarinow sweetflag rhizome, 1.5-3.0 parts of polygonum perfoliatum, 1.5-3.0 parts of tasselblower, 2.0-4.0 parts of rose glorybower twig and leaf, 2.5-5.0 parts of moxa, 2.5-5.0 parts of Chinese ivy herb (variant), and 3.0-4.0 parts of szechwan lovage rhizome. The bath fumigating drug liquid is applicable for leisure, skin cleaning, fatigue eliminating, recovery promoting after recovery from illness of health bath, medicine bath treatment methods of subhealth (fatigue syndrome), common cold, skin pruritus, chronic gastroenteritis (yang deficiency cold type), lumbar vertebrae hyperosteogeny, soft tissue strain, anchylosis, muscle adhesion and joint swelling and pain, fumigating treatment methods, hot compress treatment methods and cold compress treatment methods.