Ten days after childbirth, malodex turns bright red and is related to postpartum infection, poor uterine recovery and intrauterine residue. It is composed of necrotic membranes and blood, and can be divided into blood, plasma and white. Ten days after childbirth, the malodex should be plasma, mainly including cervical mucus exudate and a small amount of blood, if the malodex appears bright red, it should be noted that there may be fetal membrane residue. Ultrasound examination can be performed and residues in the uterus should be treated promptly to avoid hemorrhage. If the malodorous fluid is bright red with abdominal pain and fever, it is caused by infection and treatment should be taken in time. Postpartum weakness and nervousness will affect the contraction of the uterus, and poor contraction of the uterus will affect the discharge of malignant fluid, so you should strengthen nutrition, pay attention to rest and regulate your mind.