Acute internal strabismus generally refers to acute common internal strabismus, which usually does not heal on its own, but can be corrected by aggressive conservative treatment or surgery. Acute common internal strabismus is a special type of constant strabismus with sudden onset, diplopia followed by internal strabismus, or both, internal strabismus can be manifested as internal occult strabismus or intermittent internal strabismus, constant internal strabismus, no extraocular muscle paralysis, and no neurological organism lesion. Acute common esotropia is usually not self-healing, and if the degree of esotropia is small, diplopia can be neutralized by wearing a trephine. If the degree of internal strabismus is large, the diplopia can be surgically corrected to eliminate the diplopia. When acute internal strabismus occurs, you should go to the hospital in time, complete the relevant examination to clarify the cause of the disease, and treat the symptoms under the guidance of the doctor.