After 3 days of the closed injection, if the recovery is poor, you can choose the appropriate cream according to your condition. After taking the closed injection, you should avoid getting water or touching the needle eye area with your hands to avoid infection, redness, swelling, pain, ulceration and so on. At the same time, avoid excessive force, because the closed injection does not completely cure the disease, if the force is too much, it may cause the treatment effect is not good. After 3 days of the closed injection, if the recovery is poor, you can choose the appropriate ointment according to your own condition, for treatment. Ointment can play a role in activating blood circulation, resolving blood stasis, soothing tendons, clearing channels and relieving pain. It is mainly used to improve local circulation, relax the muscles, and then restore the damaged tissues and reduce pain, swelling and other symptoms. It is recommended to use medication under the guidance of a doctor, not blindly self-medication, in order to avoid adverse effects.