How long it takes for melanoma to deteriorate is generally indeterminable and is mainly related to whether the patient has undergone active and effective treatment and the stage of the tumor. Generally speaking, melanoma is one of the malignant tumors, and although the incidence rate is not high in China, the malignancy degree is relatively high. If early and timely clear diagnosis and treatment are not available, the condition of most patients may progress faster, but the specific time when it will deteriorate and progress to the next stage, such as from stage I to stage II, cannot be determined and needs to be combined with the overall condition of the patient as well as the treatment and perfect relevant examination It can only be clarified after completing relevant tests. In conclusion, the progression of melanoma varies from person to person, and it is recommended that the diagnosis be made early and the treatment be actively standardized to improve the prognosis. If the disease deteriorates during the treatment period, it is necessary to improve the relevant examinations to clarify the specific cause of the disease and adjust the treatment plan at the appropriate time.