Physiotherapy, medication and rehabilitation exercise can be used to treat the pain and spasm of the upper limbs after hemiplegia. 1. Physiotherapy: physical therapy can be used to relieve the pain and spasm of limbs after hemiplegia, for example, infrared rays and hot compresses can be used, which can play a role in relieving the discomfort of soft tissues, joints, bones and other symptoms. 2. Medication: If the muscle tension increases after hemiplegia, medication such as baclofen can be used to reduce the muscle tension, or botulinum toxin injection can be used to relieve the condition. 3. Rehabilitation exercise: High muscle tension can be rehabilitated by passive exercise, which is to restore the limbs to the normal position under the action of external force, and needs to be carried out under the guidance of professional physicians or rehabilitation therapists. Hemiplegic patients with symptoms of hypertonia are advised to consult doctors in time and take reasonable treatment under doctors’ guidance in order to improve the symptoms.