Small purple blood spots on toes are considered to be related to various factors, such as purpura, eczema, tinea pedis, and may also be caused by psoriasis and lupus erythematosus. 1. Purpura: Purpura is mainly divided into allergic purpura and thrombocytopenic purpura. During the disease, the patient’s lower limbs may appear unevenly distributed, not higher than the skin, the surface of the pressure does not fade, no pain ecchymosis, petechiae. 2. Eczema: Eczema may be related to external factors such as excessive fatigue, mental stress, ultraviolet rays, pollen, food, animal fur and other stimuli. It is mainly characterized by localized redness, itching, papules and pimples, which may occur on the toes, and small purple blood spots may appear after scratching. 3. Tinea pedis: Tinea pedis is caused by fungal infection, and its transmission is through close contact or its own body surface transmission. There are many different types of tinea pedis, and symptoms vary from person to person. The lesions may be flaky, itchy, and have bleeding spots with pain. 4. Psoriasis: The specific pathogenesis of psoriasis has not been fully elucidated, and it is considered to be related to factors such as genetics and abnormal immune response. Psoriasis occurs on the feet, which may lead to localized clear red spots and papules. The plaques are covered with silvery-white scales, and there are bleeding spots under the scales. 5. Lupus erythematosus: Lupus erythematosus, an autoimmune disease caused by autoimmune abnormalities. For example, in generalized lupus erythematosus, patients have symmetrically distributed fused small macules and papules all over the body, interspersed with purpura-like lesions, which can occur on the feet, accompanied by itching. Small purple blood spots on the toes are associated with a variety of diseases. It is recommended not to use drugs blindly to avoid delaying the condition, you can go to the hospital dermatology department for examination to understand the cause.