Drawing venous blood for intramuscular injection, known as autologous blood therapy, only for some such as vitiligo, chronic urticaria and other diseases can play a therapeutic effect, and can not treat other diseases, so can not say good or bad. The autologous therapy is to draw out the patient’s venous blood and then injected back into the patient’s own, produce non-specific desensitization, promote phagocytosis of leukocytes in the patient’s body to enhance the patient’s autoimmunity, is a non-specific stimulation of the therapy. Autologous blood therapy can be used to treat chronic urticaria, vitiligo, allergic purpura, generalized itching of the skin, generalized dermatitis and eczema, folliculitis, youthful acne, psoriasis, recurrent boils and other diseases. Autologous blood therapy needs to be used after a doctor evaluates the condition.