Mesothelioma is a kind of malignant neoplasm. It is frequently observed in people whose work is related to the contact with asbestos. It usually damages the lungs and abdomen. There may be also unusual cases affecting other vital organs. Even today there were no cure for treatment of mesothelioma invented. There are however some mesothelioma cure methods: chemotherapeutics, radiation treatment and surgery. All the patients who asked for assistance, as it found out, have been working with asbestos for over 20 years. Taking it into account we can see that the job regarded to any operations with asbestos is quite dangerous. The fluids in pleura are the cause of frequent pangs in the chest if the patient suffers from the malignant asbestos mesothelioma. Such kind of mesothelioma as peritoneal one may cause the loss of weight, blood coagulation and some difficulties with swallowing. Not innocent mesothelioma is impartially hard to diagnose as it has symptoms which compared with a number of other illnesses. The case report of examined patient has to be thoroughly read. If it comprises some data of exposure to asbestos physician should suspect the presence of mesothelioma. A lot of such persons further are being examined by an oncologist. The oncological inspection should be executed by means of X-ray scrutiny, but finally the person can be diagnosed only after the biopsy. But the modern way of solving this complexity was designed recently. It comprises testing Mesomark assay that inspects the levels of proteins developed by the cells contaminated by malignant neoplasm. To detect the illness on the initial stage it is very necessary for appropriate treatment, that's why this new method is very useful. Such form of malignant neoplasm as mesothelioma is quite complicated. Most of systems offered in state hospitals can extend the life of person on average just for one year. The mesothelioma surgery can't guaranty the adequate degree of success even if it is used in complex with other treatment systems. The main drawback of surgery is that tumor cannot be fully removed, because it will cause the death of the patient. Resorting to the radiation therapy to treat the malign mesothelioma patient has more chances to achieve success. It commonly mixed with radical surgery and provided at the same time with chemotherapeutics. This combination of actions gives more chances to survive and continue struggle with illness. It is quite important to perform all the procedures together. Any cure option used alone wouldn't give any positive results. If the surgery was not utilized that demanded draught of radiation would exceed all the limits and may kill the person. The development of malignant neoplasm cells can be subdued or held up by using chemotherapeutics. Such chemical substances have many different harmful side effects which influence on the healthy cells. That's why together with them the usage of pills which can treat the healthy cells is necessary. To treat malign mesothelioma doctors use pemetrex in combination with cisplatin. Unfortunately, today's medicine is able to support only a limited span of life with some malignant mesothelioma.